Hi
I have a c++ deformer node that calls a python function using:

MString res = MGlobal::executePythonCommandStringResult(cmd);

This has always been working fine with legacy viewport, but with VP2.0 it fails 
most of the time (not always) with the following error:


# Traceback (most recent call last):
#   File "<maya console>", line 1, in <module>
#   File "mfCacheDeformExpandString.py", line 23, in mfCacheDeformExpandString
#     sceneName = mc.file(q=True, sn=True)
# TypeError: Argument to query flag must be a boolean // 


I have other nodes that use similar code (to expand a templated path with 
user defined python function) and I'd like them to work reliably with VP 
2.0 ...
Any ideas ?

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