>Traceback (most recent call last):


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/__init__.py", line 850, in execute

return self.import_gltf2(context)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/__init__.py", line 864, in import_gltf2

if self.unit_import(path, import_settings) == {'FINISHED'}:


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/__init__.py", line 887, in unit_import

BlenderGlTF.create(self.gltf_importer)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py", line 41, in create

BlenderScene.create(gltf, scene_idx)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_scene.py", line 80, in create

BlenderNode.create(gltf, node_idx, None)
# None => No parent


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_node.py", line 174, in create

BlenderNode.create(gltf, child_idx, node_idx)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_node.py", line 64, in create

mesh = BlenderMesh.create(gltf, pynode.mesh, node_idx, parent)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py", line 57, in create

BlenderMaterial.create(gltf, prim.material, vertex_color)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_material.py", line 98, in create

BlenderNormalMap.create(gltf, material_idx, vertex_color)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_map_normal.py", line 29, in create

BlenderNormalMap.create_nodetree(gltf, material_idx, vertex_color)


 "/Applications/Blender.app/Contents/Resources/2.82/scripts/addons/io_scene_gltf2/blender/imp/gltf2_blender_map_normal.py", line 42, in create_nodetree

if len([node for node in node_tree.nodes if node.type == "BSDF_PRINCIPLED"]) != 0:
AttributeError: 'NoneType' object has no attribute 'nodes'

Traceback (most recent call last):


 "/Users/cgroskopf/.virtualenvs/csvkit/bin/csvlook", line 9, in <module>

load_entry_point('csvkit==1.0.1', 'console_scripts', 'csvlook')()


 "/Users/cgroskopf/src/csvkit/csvkit/utilities/csvlook.py", line 44, in launch_new_instance

utility.run()


 "/Users/cgroskopf/src/csvkit/csvkit/cli.py", line 113, in run

self.main()


 "/Users/cgroskopf/src/csvkit/csvkit/utilities/csvlook.py", line 31, in main

**self.reader_kwargs


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/agate/table/from_csv.py", line 88, in from_csv

return Table(rows, column_names, column_types, row_names=row_names)


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/agate/table/__init__.py", line 132, in __init__

self._column_types = column_types.run(rows, self._column_names)


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/agate/type_tester.py", line 110, in run

if len(row) > i and not column_type.test(row[i]):


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/agate/data_types/base.py", line 29, in test

self.cast(d)


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/agate/data_types/time_delta.py", line 35, in cast

seconds = pytimeparse.parse(d)


 "/Users/cgroskopf/.virtualenvs/csvkit/lib/python3.5/site-packages/pytimeparse/timeparse.py", line 147, in timeparse

sign = -1 if match.groupdict()['sign'] == '-' else 1
AttributeError: 'NoneType' object has no attribute 'groupdict'
