diff --git a/src/ifcopenshell-python/ifcopenshell/__init__.py b/src/ifcopenshell-python/ifcopenshell/__init__.py
index c5b30b2c17..115914a40b 100644
--- a/src/ifcopenshell-python/ifcopenshell/__init__.py
+++ b/src/ifcopenshell-python/ifcopenshell/__init__.py
@@ -249,7 +249,7 @@ def open(
         kwargs = {"mmap": mmap}
         if logger is not None:
             kwargs["logger"] = logger
-        f = ifcopenshell_wrapper.open(str(path.absolute()), **kwargs)  # ty: ignore[unknown-argument]
+        f = ifcopenshell_wrapper.open(str(path.absolute()), **kwargs)
     else:
         f = ifcopenshell_wrapper.open(str(path.absolute()), False, *optional_logger_args(logger))
 
diff --git a/src/ifcopenshell-python/ifcopenshell/api/alignment/update_end_point.py b/src/ifcopenshell-python/ifcopenshell/api/alignment/update_end_point.py
index 0349a99783..a772a16c77 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/alignment/update_end_point.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/alignment/update_end_point.py
@@ -19,6 +19,7 @@
 import numpy as np
 
 import ifcopenshell
+import ifcopenshell.api.alignment
 import ifcopenshell.util.placement
 from ifcopenshell import entity_instance
 
diff --git a/src/ifcopenshell-python/ifcopenshell/api/alignment/update_fallback_position.py b/src/ifcopenshell-python/ifcopenshell/api/alignment/update_fallback_position.py
index 431d19fc86..c13b7a725f 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/alignment/update_fallback_position.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/alignment/update_fallback_position.py
@@ -18,6 +18,7 @@
 
 import ifcopenshell
 import ifcopenshell.util.placement
+import ifcopenshell.util.unit
 from ifcopenshell import entity_instance
 
 
diff --git a/src/ifcopenshell-python/ifcopenshell/api/cost/assign_cost_item_quantity.py b/src/ifcopenshell-python/ifcopenshell/api/cost/assign_cost_item_quantity.py
index e5722f809a..fabe7da38d 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/cost/assign_cost_item_quantity.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/cost/assign_cost_item_quantity.py
@@ -281,7 +281,7 @@ class FormulaEvaluator(ast.NodeVisitor):
     def visit_BinOp(self, node):
         left = self.visit(node.left)
         right = self.visit(node.right)
-        return OPERATORS[type(node.op)](left, right)
+        return OPERATORS[type(node.op)](left, right)  # ty: ignore[too-many-positional-arguments]
 
     def visit_Name(self, node):
         return self.values[node.id]
diff --git a/src/ifcopenshell-python/ifcopenshell/util/alignment.py b/src/ifcopenshell-python/ifcopenshell/util/alignment.py
index 76fc9203f3..1c73f39af4 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/alignment.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/alignment.py
@@ -56,7 +56,7 @@ def append_zero_length_segments(file: ifcopenshell.file) -> ifcopenshell.file:
     for alignment in alignments:
         layouts = ifcopenshell.api.alignment.get_alignment_layouts(alignment)
         for layout in layouts:
-            ifcopenshell.api.alignment.add_zero_length_segment(patched_file, layout, include_referent=False)
+            ifcopenshell.api.alignment.add_zero_length_segment(patched_file, layout)
             curve = ifcopenshell.api.alignment.get_layout_curve(layout)
             if curve:
                 ifcopenshell.api.alignment.add_zero_length_segment(patched_file, curve)
diff --git a/src/ifcopenshell-python/test/api/alignment/test_create_representation.py b/src/ifcopenshell-python/test/api/alignment/test_create_representation.py
index b491158b3b..0fd0b2dc41 100644
--- a/src/ifcopenshell-python/test/api/alignment/test_create_representation.py
+++ b/src/ifcopenshell-python/test/api/alignment/test_create_representation.py
@@ -21,8 +21,12 @@ import math
 
 import pytest
 import ifcopenshell
+import ifcopenshell.api.aggregate
 import ifcopenshell.api.alignment
+import ifcopenshell.api.context
+import ifcopenshell.api.spatial
 import ifcopenshell.api.unit
+import ifcopenshell.util.unit
 
 
 def test_create_representation():