diff --git a/src/ifcopenshell-python/ifcopenshell/__init__.py b/src/ifcopenshell-python/ifcopenshell/__init__.py
index 205c3c7659..9042ff7d1d 100644
--- a/src/ifcopenshell-python/ifcopenshell/__init__.py
+++ b/src/ifcopenshell-python/ifcopenshell/__init__.py
@@ -35,9 +35,8 @@ import sys
 import zipfile
 import tempfile
 from pathlib import Path
-from typing import Optional
+from typing import Optional, Union
 
-import ifcopenshell.util.file
 
 if hasattr(os, "uname"):
     platform_system = os.uname()[0].lower()
@@ -56,16 +55,9 @@ sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "lib", p
 
 try:
     from . import ifcopenshell_wrapper
-except Exception as e:
-    if int(python_version_tuple[0]) == 2:
-        # Only for py2, as py3 has exception chaining
-        import traceback
-
-        traceback.print_exc()
-        print("-" * 64)
+except Exception:
     raise ImportError("IfcOpenShell not built for '%s'" % python_distribution)
 
-from . import guid
 from .file import file
 from .entity_instance import entity_instance, register_schema_attributes
 from .sql import sqlite, sqlite_entity
@@ -92,11 +84,12 @@ class SchemaError(Error):
     pass
 
 
-def open(path: "os.PathLike | str", format: str = None, should_stream: bool = False) -> file:
+def open(path: Union[os.PathLike, str], format: Optional[str] = None, should_stream: bool = False) -> file:
     """Loads an IFC dataset from a filepath
 
-    You can specify a file format. If no format is given, it is guessed from its extension.
-    Currently supported specified format : .ifc | .ifcZIP | .ifcXML
+    You can specify a file format. If no format is given, it is guessed from
+    its extension. Currently supported specified format: .ifc | .ifcZIP |
+    .ifcXML.
 
     You can then filter by element ID, class, etc, and subscript by id or guid.
 
diff --git a/src/ifcopenshell-python/ifcopenshell/api/root/create_entity.py b/src/ifcopenshell-python/ifcopenshell/api/root/create_entity.py
index 5bb64d411a..c1ab6c77e1 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/root/create_entity.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/root/create_entity.py
@@ -18,6 +18,7 @@
 
 import ifcopenshell
 import ifcopenshell.api
+import ifcopenshell.guid
 from typing import Optional
 
 
diff --git a/src/ifcopenshell-python/ifcopenshell/geom/main.py b/src/ifcopenshell-python/ifcopenshell/geom/main.py
index 23eb66cda7..3cd1cb3c5c 100644
--- a/src/ifcopenshell-python/ifcopenshell/geom/main.py
+++ b/src/ifcopenshell-python/ifcopenshell/geom/main.py
@@ -148,7 +148,7 @@ class tree(ifcopenshell_wrapper.tree):
     def select(
         self,
         value: Union[
-            entity_instance, ifcopenshell_wrapper.BRepElement, tuple[float, float, float], TopoDS.TopoDS_Shape
+            entity_instance, ifcopenshell_wrapper.BRepElement, tuple[float, float, float], "TopoDS.TopoDS_Shape"
         ],
         **kwargs,
     ) -> list[entity_instance]:
diff --git a/src/ifcopenshell-python/ifcopenshell/util/data.py b/src/ifcopenshell-python/ifcopenshell/util/data.py
index b968879c58..365f0df2cb 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/data.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/data.py
@@ -30,7 +30,7 @@ class Clipping:
     operand_type: str = "IfcHalfSpaceSolid"
 
     @classmethod
-    def parse(cls, raw_data: Any) -> Union[ifcopenshell.entity_instance, Clipping, None]:
+    def parse(cls, raw_data: Any) -> Union[ifcopenshell.entity_instance, "Clipping", None]:
         """Parse various formats into a clipping object
 
         `raw_data` can be either:
diff --git a/src/ifcopenshell-python/ifcopenshell/util/pset.py b/src/ifcopenshell-python/ifcopenshell/util/pset.py
index 6156af3f9c..97db6ff4b2 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/pset.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/pset.py
@@ -23,12 +23,12 @@ import ifcopenshell.util.schema
 import ifcopenshell.util.type
 from ifcopenshell.entity_instance import entity_instance
 from functools import lru_cache
-from typing import List, Generator, Optional
+from typing import List, Optional
 
-templates: dict[str, PsetQto] = {}
+templates: dict[str, "PsetQto"] = {}
 
 
-def get_template(schema: str) -> PsetQto:
+def get_template(schema: str) -> "PsetQto":
     global templates
     if schema not in templates:
         templates[schema] = PsetQto(schema)