catch AttrbuteError on typing imports from ironpython

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Changed `SceneObject.frame` to read-only result of `Frame.from_transformation(SceneObject.worldtransformation)`, representing the local coordinate system of the scene object in world coordinates.
 * Changed `SceneObject.worldtransformation` to the multiplication of all transformations from the scene object to the root of the scene tree, there will no longer be an additional transformation in relation to the object's frame.
 * Fixed call to `astar_shortest_path` in `Graph.shortest_path`.
+* Fixed `AttributeError` on certain imports in IronPython.
 
 ### Removed
 

src/compas/data/data.py

@@ -6,7 +6,7 @@
     from typing import TypeVar  # noqa: F401
 
     D = TypeVar("D", bound="Data")
-except ImportError:
+except (ImportError, AttributeError):
     pass
 
 import hashlib

src/compas/data/encoders.py

@@ -4,7 +4,7 @@
 
 try:
     from typing import Type  # noqa: F401
-except ImportError:
+except (ImportError, AttributeError):
     pass
 
 import json

src/compas/datastructures/datastructure.py

@@ -4,7 +4,7 @@
 
 try:
     from typing import TypeVar  # noqa: F401
-except ImportError:
+except (ImportError, AttributeError):
     pass
 else:
     G = TypeVar("G", bound="Datastructure")

src/compas/geometry/geometry.py

@@ -4,7 +4,7 @@
 
 try:
     from typing import TypeVar  # noqa: F401
-except ImportError:
+except (ImportError, AttributeError):
     pass
 else:
     G = TypeVar("G", bound="Geometry")