typing

src/ifcopenshell-python/ifcopenshell/api/sequence/add_task.py

@@ -19,17 +19,18 @@
 import ifcopenshell.api
 import ifcopenshell
 import ifcopenshell.guid
+from typing import Optional
 
 
 def add_task(
-    file,
-    work_schedule=None,
-    parent_task=None,
-    name=None,
-    description=None,
-    identification=None,
-    predefined_type="NOTDEFINED",
-) -> None:
+    file: ifcopenshell.file,
+    work_schedule: Optional[ifcopenshell.entity_instance] = None,
+    parent_task: Optional[ifcopenshell.entity_instance] = None,
+    name: Optional[str] = None,
+    description: Optional[str] = None,
+    identification: Optional[str] = None,
+    predefined_type: str = "NOTDEFINED",
+) -> ifcopenshell.entity_instance:
     """Adds a new task
 
     Tasks are typically used for two purposes: construction scheduling and
@@ -66,11 +67,11 @@ def add_task(
     :param work_schedule: The work schedule to group the task in, if the
         task is to be a top-level or root task. This is mutually exclusive
         with the parent_task parameter.
-    :type work_schedule: ifcopenshell.entity_instance
+    :type work_schedule: ifcopenshell.entity_instance, optional
     :param parent_task: The parent task, if the task is to be a subtask or
         child task. This is mutually exclusive with the work_schedule
         parameter.
-    :type parent_task: ifcopenshell.entity_instance
+    :type parent_task: ifcopenshell.entity_instance, optioanl
     :param name: The name of the task.
     :type name: str,optional
     :param description: The description of the task.

src/ifcopenshell-python/ifcopenshell/api/sequence/add_task_time.py

@@ -15,9 +15,12 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
 
 
-def add_task_time(file, task=None, is_recurring=False) -> None:
+def add_task_time(
+    file: ifcopenshell.file, task: ifcopenshell.entity_instance, is_recurring: bool = False
+) -> ifcopenshell.entity_instance:
     """Adds a task time to a task
 
     Some tasks, such as activities within a work breakdown structure or

src/ifcopenshell-python/ifcopenshell/api/sequence/add_time_period.py

@@ -19,11 +19,17 @@
 import ifcopenshell.api
 import ifcopenshell.util.date
 import ifcopenshell.util.sequence
-from datetime import datetime
+from datetime import datetime, time
 from datetime import timedelta
+from typing import Optional, Union
 
 
-def add_time_period(file, recurrence_pattern=None, start_time=None, end_time=None) -> None:
+def add_time_period(
+    file: ifcopenshell.file,
+    recurrence_pattern: ifcopenshell.entity_instance,
+    start_time: Optional[Union[str, time]] = None,
+    end_time: Optional[Union[str, time]] = None,
+) -> ifcopenshell.entity_instance:
     """Adds a time period to a recurrence pattern
 
     A recurring time may be an all-day event, or only during certain time

src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_calendar.py

@@ -19,7 +19,9 @@
 import ifcopenshell.api
 
 
-def add_work_calendar(file, name="Unnamed", predefined_type="NOTDEFINED") -> None:
+def add_work_calendar(
+    file: ifcopenshell.file, name: str = "Unnamed", predefined_type: str = "NOTDEFINED"
+) -> ifcopenshell.entity_instance:
     """Add a work calendar
 
     A work calendar defines when work is allowed to occur and when the

src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_plan.py

@@ -17,11 +17,18 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell.api
+import ifcopenshell.api.owner.settings
 import ifcopenshell.util.date
-from datetime import datetime
+from datetime import datetime, time
+from typing import Optional, Union
 
 
-def add_work_plan(file, name=None, predefined_type="NOTDEFINED", start_time=None) -> None:
+def add_work_plan(
+    file: ifcopenshell.file,
+    name: Optional[str] = None,
+    predefined_type: str = "NOTDEFINED",
+    start_time: Optional[Union[str, time]] = None,
+) -> ifcopenshell.entity_instance:
     """Add a new work plan
 
     A work plan is a group of work schedules. Since work schedules may have

src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_schedule.py

@@ -17,18 +17,21 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell.api
+import ifcopenshell.api.owner.settings
 import ifcopenshell.util.date
+from datetime import time
 from datetime import datetime
+from typing import Union, Optional
 
 
 def add_work_schedule(
-    file,
-    name="Unnamed",
-    predefined_type="NOTDEFINED",
+    file: ifcopenshell.file,
+    name: str = "Unnamed",
+    predefined_type: str = "NOTDEFINED",
     object_type=None,
-    start_time=None,
-    work_plan=None,
-) -> None:
+    start_time: Optional[Union[str, time]] = None,
+    work_plan: Optional[ifcopenshell.entity_instance] = None,
+) -> ifcopenshell.entity_instance:
     """Add a new work schedule
 
     A work schedule is a group of tasks, where the tasks are typically

src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_time.py

@@ -15,9 +15,12 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
 
 
-def add_work_time(file, work_calendar=None, time_type="WorkingTimes") -> None:
+def add_work_time(
+    file: ifcopenshell.file, work_calendar: ifcopenshell.entity_instance, time_type: str = "WorkingTimes"
+) -> ifcopenshell.entity_instance:
     """Add either working times or holiday times to a calendar
 
     A calendar defines when work occurs by defining working times and

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_lag_time.py

@@ -19,7 +19,9 @@
 import ifcopenshell.util.date
 
 
-def assign_lag_time(file, rel_sequence=None, lag_value=None, duration_type="WORKTIME") -> None:
+def assign_lag_time(
+    file: ifcopenshell.file, rel_sequence: ifcopenshell.entity_instance, lag_value: str, duration_type: str = "WORKTIME"
+) -> ifcopenshell.entity_instance:
     """Assign a lag time to a sequence relationship between tasks
 
     A task sequence (e.g. finish to start) may optionally have a lag time
@@ -94,3 +96,4 @@ def assign_lag_time(file, rel_sequence=None, lag_value=None, duration_type="WORK
         if settings["rel_sequence"].TimeLag and len(file.get_inverse(settings["rel_sequence"].TimeLag)) == 1:
             file.remove(settings["rel_sequence"].TimeLag)
     settings["rel_sequence"].TimeLag = lag_time
+    return lag_time

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_process.py

@@ -21,7 +21,11 @@ import ifcopenshell.api
 import ifcopenshell.guid
 
 
-def assign_process(file, relating_process=None, related_object=None) -> None:
+def assign_process(
+    file: ifcopenshell.file,
+    relating_process: ifcopenshell.entity_instance,
+    related_object: ifcopenshell.entity_instance,
+) -> ifcopenshell.entity_instance:
     """Assigns an object to be related to a process, typically a construction task
 
     Processes work using the ICOM (Input, Controls, Outputs, Mechanisms)

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_product.py

@@ -21,7 +21,11 @@ import ifcopenshell.api
 import ifcopenshell.guid
 
 
-def assign_product(file, relating_product=None, related_object=None) -> None:
+def assign_product(
+    file: ifcopenshell.entity_instance,
+    relating_product: ifcopenshell.entity_instance,
+    related_object: ifcopenshell.entity_instance,
+) -> ifcopenshell.entity_instance:
     """Assigns a product to be produced as a result of a process
 
     A construction task may result in products (e.g. a wall) being
@@ -71,7 +75,7 @@ def assign_product(file, relating_product=None, related_object=None) -> None:
     if settings["related_object"].HasAssignments:
         for assignment in settings["related_object"].HasAssignments:
             if assignment.is_a("IfcRelAssignsToProduct") and assignment.RelatingProduct == settings["relating_product"]:
-                return
+                return assignment
 
     referenced_by = None
     if settings["relating_product"].ReferencedBy:

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_recurrence_pattern.py

@@ -15,9 +15,12 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
 
 
-def assign_recurrence_pattern(file, parent=None, recurrence_type="WEEKLY") -> None:
+def assign_recurrence_pattern(
+    file: ifcopenshell.file, parent: ifcopenshell.entity_instance, recurrence_type: str = "WEEKLY"
+) -> ifcopenshell.entity_instance:
     """Define a time to recur at a particular interval
 
     There are two scenarios where you might want to define a recurring time

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_sequence.py

@@ -22,11 +22,11 @@ import ifcopenshell.guid
 
 
 def assign_sequence(
-    file,
-    relating_process=None,
-    related_process=None,
-    sequence_type="FINISH_START",
-) -> None:
+    file: ifcopenshell.file,
+    relating_process: ifcopenshell.entity_instance,
+    related_process: ifcopenshell.entity_instance,
+    sequence_type: str = "FINISH_START",
+) -> ifcopenshell.entity_instance:
     """Assign a sequential relationship between tasks
 
     Tasks in construction sequencing typically have sequence relationships

src/ifcopenshell-python/ifcopenshell/api/sequence/assign_workplan.py

@@ -20,7 +20,9 @@ import ifcopenshell
 import ifcopenshell.api
 
 
-def assign_workplan(file, work_schedule=None, work_plan=None) -> None:
+def assign_workplan(
+    file: ifcopenshell.file, work_schedule: ifcopenshell.entity_instance, work_plan: ifcopenshell.entity_instance
+) -> ifcopenshell.entity_instance:
     """Assigns a work schedule to a work plan
 
     Typically, work schedules would be assigned to a work plan at creation.

src/ifcopenshell-python/ifcopenshell/api/sequence/calculate_task_duration.py

@@ -22,7 +22,7 @@ import ifcopenshell.util.date
 import ifcopenshell.util.element
 
 
-def calculate_task_duration(file, task=None) -> None:
+def calculate_task_duration(file: ifcopenshell.file, task: ifcopenshell.entity_instance) -> None:
     """Calculates the task duration based on resource usage
 
     If a task has labour or equipment resources assigned to it, its duration

src/ifcopenshell-python/ifcopenshell/api/sequence/cascade_schedule.py

@@ -21,7 +21,7 @@ import ifcopenshell.util.date
 import ifcopenshell.util.sequence
 
 
-def cascade_schedule(file, task=None) -> None:
+def cascade_schedule(file: ifcopenshell.file, task: ifcopenshell.entity_instance) -> None:
     """Cascades start and end dates of tasks based on durations
 
     Given a start task with a start date and duration, the end date, and the

src/ifcopenshell-python/ifcopenshell/api/sequence/create_baseline.py

@@ -17,12 +17,17 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.guid
-import ifcopenshell.util.system
 import ifcopenshell.util.element
+import ifcopenshell.util.sequence
+import ifcopenshell.util.system
+from typing import Optional
 
 
-def create_baseline(file, work_schedule=None, name=None) -> None:
+def create_baseline(
+    file: ifcopenshell.file, work_schedule: ifcopenshell.entity_instance, name: Optional[str] = None
+) -> None:
     """Creates a baseline for your Work Schedule
 
     Using a IfcWorkSchdule having PredefinedType=PLANNED,
@@ -38,6 +43,8 @@ def create_baseline(file, work_schedule=None, name=None) -> None:
 
     :param work_schedule: The planned work_schedule to baseline
     :type work_schedule: ifcopenshell.entity_instance
+    :param name: baseline work schedule name
+    :type name: str, optional
     :return: The baseline work_schedule
     :rtype: ifcopenshell.entity_instance
 

src/ifcopenshell-python/ifcopenshell/api/sequence/duplicate_task.py

@@ -23,7 +23,7 @@ import ifcopenshell.util.element
 import ifcopenshell.util.sequence
 
 
-def duplicate_task(file, task=None) -> None:
+def duplicate_task(file: ifcopenshell.file, task: ifcopenshell.entity_instance) -> ifcopenshell.entity_instance:
     """Duplicates a task in the project
 
     The following relationships are also duplicated:

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_lag_time.py

@@ -18,9 +18,10 @@
 
 import ifcopenshell.api
 import ifcopenshell.util.date
+from typing import Any
 
 
-def edit_lag_time(file, lag_time=None, attributes=None) -> None:
+def edit_lag_time(file: ifcopenshell.file, lag_time: ifcopenshell.entity_instance, attributes: dict[str, Any]) -> None:
     """Edits the attributes of an IfcLagTime
 
     For more information about the attributes and data types of an
@@ -29,7 +30,7 @@ def edit_lag_time(file, lag_time=None, attributes=None) -> None:
     :param lag_time: The IfcLagTime entity you want to edit
     :type lag_time: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -74,7 +75,7 @@ def edit_lag_time(file, lag_time=None, attributes=None) -> None:
         # Or, let's make it 2 days instead.
         ifcopenshell.api.run("sequence.edit_lag_time", model, lag_time=lag, attributes={"LagValue": "P2D"})
     """
-    settings = {"lag_time": lag_time, "attributes": attributes or {}}
+    settings = {"lag_time": lag_time, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         if name == "LagValue" and value is not None:

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_recurrence_pattern.py

@@ -18,9 +18,12 @@
 
 import ifcopenshell
 import ifcopenshell.util.sequence
+from typing import Any
 
 
-def edit_recurrence_pattern(file, recurrence_pattern=None, attributes=None) -> None:
+def edit_recurrence_pattern(
+    file: ifcopenshell.file, recurrence_pattern: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
     """Edits the attributes of an IfcRecurrencePattern
 
     For more information about the attributes and data types of an
@@ -29,7 +32,7 @@ def edit_recurrence_pattern(file, recurrence_pattern=None, attributes=None) -> N
     :param recurrence_pattern: The IfcRecurrencePattern entity you want to edit
     :type recurrence_pattern: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -54,7 +57,7 @@ def edit_recurrence_pattern(file, recurrence_pattern=None, attributes=None) -> N
     """
     settings = {
         "recurrence_pattern": recurrence_pattern,
-        "attributes": attributes or {},
+        "attributes": attributes,
     }
 
     for name, value in settings["attributes"].items():

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_sequence.py

@@ -18,9 +18,12 @@
 
 import ifcopenshell
 import ifcopenshell.api
+from typing import Any
 
 
-def edit_sequence(file, rel_sequence=None, attributes=None) -> None:
+def edit_sequence(
+    file: ifcopenshell.file, rel_sequence: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
     """Edits the attributes of an IfcRelSequence
 
     For more information about the attributes and data types of an
@@ -29,7 +32,7 @@ def edit_sequence(file, rel_sequence=None, attributes=None) -> None:
     :param rel_sequence: The IfcRelSequence entity you want to edit
     :type rel_sequence: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -59,7 +62,7 @@ def edit_sequence(file, rel_sequence=None, attributes=None) -> None:
         ifcopenshell.api.run("sequence.edit_sequence", model,
             rel_sequence=sequence, attributes={"SequenceType": "START_START"})
     """
-    settings = {"rel_sequence": rel_sequence, "attributes": attributes or {}}
+    settings = {"rel_sequence": rel_sequence, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         setattr(settings["rel_sequence"], name, value)

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_task.py

@@ -15,9 +15,11 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
+from typing import Any
 
 
-def edit_task(file, task=None, attributes=None) -> None:
+def edit_task(file: ifcopenshell.file, task: ifcopenshell.entity_instance, attributes: dict[str, Any]) -> None:
     """Edits the attributes of an IfcTask
 
     For more information about the attributes and data types of an
@@ -26,7 +28,7 @@ def edit_task(file, task=None, attributes=None) -> None:
     :param task: The IfcTask entity you want to edit
     :type task: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_task_time.py

@@ -20,13 +20,13 @@ import datetime
 import ifcopenshell.util.constraint
 import ifcopenshell.util.date
 import ifcopenshell.util.sequence
-from typing import Any, Optional
+from typing import Any
 
 
 def edit_task_time(
     file: ifcopenshell.file,
     task_time: ifcopenshell.entity_instance,
-    attributes: Optional[dict[str, Any]] = None,
+    attributes: dict[str, Any],
 ) -> None:
     """Edits the attributes of an IfcTaskTime
 
@@ -36,7 +36,7 @@ def edit_task_time(
     :param task_time: The IfcTaskTime entity you want to edit
     :type task_time: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -59,7 +59,7 @@ def edit_task_time(
     """
     usecase = Usecase()
     usecase.file = file
-    usecase.settings = {"task_time": task_time, "attributes": attributes or {}}
+    usecase.settings = {"task_time": task_time, "attributes": attributes}
     return usecase.execute()
 
 

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_work_calendar.py

@@ -15,9 +15,13 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
+from typing import Any
 
 
-def edit_work_calendar(file, work_calendar=None, attributes=None) -> None:
+def edit_work_calendar(
+    file: ifcopenshell.file, work_calendar: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
     """Edits the attributes of an IfcWorkCalendar
 
     For more information about the attributes and data types of an
@@ -26,7 +30,7 @@ def edit_work_calendar(file, work_calendar=None, attributes=None) -> None:
     :param work_calendar: The IfcWorkCalendar entity you want to edit
     :type work_calendar: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -41,7 +45,7 @@ def edit_work_calendar(file, work_calendar=None, attributes=None) -> None:
         ifcopenshell.api.run("sequence.edit_work_calendar", model,
             work_calendar=calendar, attributes={"Description": "Monday to Friday 8 hour days"})
     """
-    settings = {"work_calendar": work_calendar, "attributes": attributes or {}}
+    settings = {"work_calendar": work_calendar, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         setattr(settings["work_calendar"], name, value)

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_work_plan.py

@@ -17,9 +17,12 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell.util.date
+from typing import Any
 
 
-def edit_work_plan(file, work_plan=None, attributes=None) -> None:
+def edit_work_plan(
+    file: ifcopenshell.file, work_plan: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
     """Edits the attributes of an IfcWorkPlan
 
     For more information about the attributes and data types of an
@@ -28,7 +31,7 @@ def edit_work_plan(file, work_plan=None, attributes=None) -> None:
     :param work_plan: The IfcWorkPlan entity you want to edit
     :type work_plan: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -43,7 +46,7 @@ def edit_work_plan(file, work_plan=None, attributes=None) -> None:
         ifcopenshell.api.run("sequence.edit_work_plan", model,
             work_plan=work_plan, attributes={"Description": "Construction of phase 1"})
     """
-    settings = {"work_plan": work_plan, "attributes": attributes or {}}
+    settings = {"work_plan": work_plan, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         if value:

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_work_schedule.py

@@ -17,9 +17,12 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell.util.date
+from typing import Any
 
 
-def edit_work_schedule(file, work_schedule=None, attributes=None) -> None:
+def edit_work_schedule(
+    file: ifcopenshell.entity_instance, work_schedule: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
     """Edits the attributes of an IfcWorkSchedule
 
     For more information about the attributes and data types of an
@@ -28,7 +31,7 @@ def edit_work_schedule(file, work_schedule=None, attributes=None) -> None:
     :param work_schedule: The IfcWorkSchedule entity you want to edit
     :type work_schedule: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -47,7 +50,7 @@ def edit_work_schedule(file, work_schedule=None, attributes=None) -> None:
         ifcopenshell.api.run("sequence.edit_work_schedule", model,
             work_schedule=work_schedule, attributes={"Description": "3 crane design option"})
     """
-    settings = {"work_schedule": work_schedule, "attributes": attributes or {}}
+    settings = {"work_schedule": work_schedule, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         if value:

src/ifcopenshell-python/ifcopenshell/api/sequence/edit_work_time.py

@@ -17,13 +17,13 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell.util.date
-from typing import Any, Optional
+from typing import Any
 
 
 def edit_work_time(
     file: ifcopenshell.file,
     work_time: ifcopenshell.entity_instance,
-    attributes: Optional[dict[str, Any]] = None,
+    attributes: dict[str, Any],
 ) -> None:
     """Edits the attributes of an IfcWorkTime
 
@@ -33,7 +33,7 @@ def edit_work_time(
     :param work_time: The IfcWorkTime entity you want to edit
     :type work_time: ifcopenshell.entity_instance
     :param attributes: a dictionary of attribute names and values.
-    :type attributes: dict, optional
+    :type attributes: dict
     :return: None
     :rtype: None
 
@@ -54,7 +54,7 @@ def edit_work_time(
         ifcopenshell.api.run("sequence.edit_work_time", model,
             work_time=work_time, attributes={"StartDate": "2000-01-01", "FinishDate": "2000-01-02"})
     """
-    settings = {"work_time": work_time, "attributes": attributes or {}}
+    settings = {"work_time": work_time, "attributes": attributes}
 
     for name, value in settings["attributes"].items():
         if name in ("Start", "StartDate"):

src/ifcopenshell-python/ifcopenshell/api/sequence/recalculate_schedule.py

@@ -23,7 +23,7 @@ import ifcopenshell.util.date
 import ifcopenshell.util.sequence
 
 
-def recalculate_schedule(file, work_schedule=None) -> None:
+def recalculate_schedule(file: ifcopenshell.file, work_schedule: ifcopenshell.entity_instance) -> None:
     """Calculate the critical path and floats for a work schedule
 
     This implements critical path analysis, using the forward pass and

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py

@@ -21,7 +21,7 @@ import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def remove_task(file, task=None) -> None:
+def remove_task(file: ifcopenshell.file, task: ifcopenshell.entity_instance) -> None:
     """Removes a task
 
     All subtasks are also removed recursively. Any relationships such as

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_time_period.py

@@ -19,7 +19,7 @@
 import ifcopenshell.api
 
 
-def remove_time_period(file, time_period=None) -> None:
+def remove_time_period(file: ifcopenshell.file, time_period: ifcopenshell.entity_instance) -> None:
     """Removes a time period
 
     :param time_period: The IfcTimePeriod to remove.

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_calendar.py

@@ -17,10 +17,11 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def remove_work_calendar(file, work_calendar=None) -> None:
+def remove_work_calendar(file: ifcopenshell.file, work_calendar: ifcopenshell.entity_instance) -> None:
     """Removes a work calendar
 
     All relationships are also removed, such as if a task is set to use that

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_plan.py

@@ -20,7 +20,7 @@ import ifcopenshell
 import ifcopenshell.util.element
 
 
-def remove_work_plan(file, work_plan=None) -> None:
+def remove_work_plan(file: ifcopenshell.entity_instance, work_plan: ifcopenshell.entity_instance) -> None:
     """Removes a work plan
 
     Note that schedules that are grouped under the work plan are not

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_schedule.py

@@ -21,7 +21,7 @@ import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def remove_work_schedule(file, work_schedule=None) -> None:
+def remove_work_schedule(file: ifcopenshell.file, work_schedule: ifcopenshell.entity_instance) -> None:
     """Removes a work schedule
 
     All tasks in the work schedule are also removed recursively.

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_work_time.py

@@ -15,9 +15,10 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
 
 
-def remove_work_time(file, work_time=None) -> None:
+def remove_work_time(file: ifcopenshell.file, work_time: ifcopenshell.entity_instance) -> None:
     """Removes a work time
 
     :param work_time: The IfcWorkTime to remove.

src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_lag_time.py

@@ -19,7 +19,7 @@
 import ifcopenshell.api
 
 
-def unassign_lag_time(file, rel_sequence=None) -> None:
+def unassign_lag_time(file: ifcopenshell.file, rel_sequence: ifcopenshell.entity_instance) -> None:
     """Removes any lag time in a sequence
 
     The schedule is cascaded afterwards.

src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_process.py

@@ -21,7 +21,11 @@ import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def unassign_process(file, relating_process=None, related_object=None) -> None:
+def unassign_process(
+    file: ifcopenshell.file,
+    relating_process: ifcopenshell.entity_instance,
+    related_object: ifcopenshell.entity_instance,
+) -> None:
     """Unassigns a process and object relationship
 
     See ifcopenshell.api.sequence.assign_process for details.

src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_product.py

@@ -21,7 +21,11 @@ import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def unassign_product(file, relating_product=None, related_object=None) -> None:
+def unassign_product(
+    file: ifcopenshell.file,
+    relating_product: ifcopenshell.entity_instance,
+    related_object: ifcopenshell.entity_instance,
+) -> None:
     """Unassigns a product and object relationship
 
     See ifcopenshell.api.sequence.assign_product for details.

src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_recurrence_pattern.py

@@ -15,9 +15,10 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
 
 
-def unassign_recurrence_pattern(file, recurrence_pattern=None) -> None:
+def unassign_recurrence_pattern(file: ifcopenshell.file, recurrence_pattern: ifcopenshell.entity_instance) -> None:
     """Unassigns a recurrence pattern
 
     Note that a recurring task time must have a recurrence pattern, so if

src/ifcopenshell-python/ifcopenshell/api/sequence/unassign_sequence.py

@@ -21,7 +21,11 @@ import ifcopenshell.api
 import ifcopenshell.util.element
 
 
-def unassign_sequence(file, relating_process=None, related_process=None) -> None:
+def unassign_sequence(
+    file: ifcopenshell.file,
+    relating_process: ifcopenshell.entity_instance,
+    related_process: ifcopenshell.entity_instance,
+) -> None:
     """Removes a sequence relationship between tasks
 
     :param relating_process: The previous / predecessor task.