WARNING : Module pyoctree not found. Falling back to scipy's ConvexHull for intersection calculations. (pymaid)
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/vispy/visuals/isocurve.py:22: UserWarning:
VisPy is not yet compatible with matplotlib 2.2+
INFO : Global CATMAID instance set. (pymaid)