Traceback (most recent call last):
File "astgraphforsympy.py", line 86, in <module>
print get_func_calls(tree)
File "astgraphforsympy.py", line 48, in get_func_calls
for node in ast.walk(tree):
File "C:\Python27\lib\ast.py", line 213, in walk
todo.extend(iter_child_nodes(node))
File "C:\Python27\lib\ast.py", line 178, in iter_child_nodes
for name, field in iter_fields(node):
File "C:\Python27\lib\ast.py", line 166, in iter_fields
for field in node._fields:
AttributeError: Module instance has no attribute '_fields'
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