diff --git a/release/scripts/modules/bpy_extras/mesh_utils.py b/release/scripts/modules/bpy_extras/mesh_utils.py
index b6d8a1fcf16..e026910fb43 100644
--- a/release/scripts/modules/bpy_extras/mesh_utils.py
+++ b/release/scripts/modules/bpy_extras/mesh_utils.py
@@ -267,6 +267,7 @@ def ngon_tesselate(from_data, indices, fix_loops=True):
     fix_loops: If this is enabled polylines that use loops to make multiple polylines are delt with correctly.
     '''
 
+    from mathutils.geometry import tesselate_polygon
     from mathutils import Vector
     vector_to_tuple = Vector.to_tuple
 
diff --git a/release/scripts/modules/bpy_types.py b/release/scripts/modules/bpy_types.py
index 3c1b454e72e..eaa7563c757 100644
--- a/release/scripts/modules/bpy_types.py
+++ b/release/scripts/modules/bpy_types.py
@@ -20,7 +20,6 @@
 
 from _bpy import types as bpy_types
 import _bpy
-from mathutils import Vector
 
 StructRNA = bpy_types.Struct.__bases__[0]
 StructMetaPropGroup = _bpy.StructMetaPropGroup
@@ -144,18 +143,21 @@ class _GenericBone:
     def x_axis(self):
         """ Vector pointing down the x-axis of the bone.
         """
+        from mathutils import Vector
         return Vector((1.0, 0.0, 0.0)) * self.matrix.to_3x3()
 
     @property
     def y_axis(self):
         """ Vector pointing down the x-axis of the bone.
         """
+        from mathutils import Vector
         return Vector((0.0, 1.0, 0.0)) * self.matrix.to_3x3()
 
     @property
     def z_axis(self):
         """ Vector pointing down the x-axis of the bone.
         """
+        from mathutils import Vector
         return Vector((0.0, 0.0, 1.0)) * self.matrix.to_3x3()
 
     @property