Merge pull request #814 from Abjad/trevor/dev

Updated definition of AbjadObject.__getstate__().
Abjad · Apr 30, 2017 · d25b0c4 · d25b0c4
2 parents 8b7f2d3 + a613ac8
commit d25b0c4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/abjad/tools/abctools/AbjadObject.py b/abjad/tools/abctools/AbjadObject.py
@@ -50,7 +50,7 @@ def __getstate__(self):
 
         Returns dictionary.
         '''
-        if hasattr(self, '__dict__'):
+        if hasattr(self, '__dict__') and hasattr(vars(self), 'copy'):
             state = vars(self).copy()
         else:
             state = {}