networkx 1.* fix and test

.travis.yml

@@ -57,6 +57,9 @@ script:
 - pip install .[easy]
 - pip install triangle xxhash
 - pytest --cov=trimesh tests/
+- pip install networkx==1.11 -I
+- python tests/test_graph.py
+- python tests/test_scene.py
 - cd examples
 - for f in *py*; do python ../tests/notebook_run.py exec "$f"; done
 - cd ..

trimesh/scene/transforms.py

@@ -9,7 +9,7 @@
 from .. import transformations
 
 
-class TransformForest:
+class TransformForest(object):
 
     def __init__(self, base_frame='world'):
         self.transforms = EnforcedForest()
@@ -145,8 +145,8 @@ def to_edgelist(self):
             a, b, c = edge
             # geometry is a node property but save it to the
             # edge so we don't need two dictionaries
-            if 'geometry' in self.transforms.nodes[b]:
-                c['geometry'] = self.transforms.nodes[b]['geometry']
+            if 'geometry' in self.transforms.node[b]:
+                c['geometry'] = self.transforms.node[b]['geometry']
             # save the matrix as a float list
             c['matrix'] = np.asanyarray(c['matrix'],
                                         dtype=np.float64).tolist()

trimesh/version.py

@@ -1 +1 @@
-__version__ = '2.33.11'
+__version__ = '2.33.12'