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Added support for new pydot versions to fix find_graphviz error #6398

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merged 4 commits into from
Apr 26, 2017
Merged

Added support for new pydot versions to fix find_graphviz error #6398

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03bdb3b
Added support for the new pydot API to fix find_graphviz error
Apr 25, 2017
0a460da
Simplified pydot installation checking
pnb Apr 25, 2017
793243f
Workaround for pydot generic Exception raising
pnb Apr 26, 2017
7a57cf1
Removed hacky workaround for pyplot Exception, included comment
pnb Apr 26, 2017
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5 changes: 4 additions & 1 deletion keras/utils/vis_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,10 @@


def _check_pydot():
if not (pydot and pydot.find_graphviz()):
try:
# Attempt to create an image of a blank graph to check the pydot/graphviz installation.
pydot.Dot.create(pydot.Dot())
except Exception: # pydot raises a generic Exception here, so no specific class can be caught.
raise ImportError('Failed to import pydot. You must install pydot'
' and graphviz for `pydotprint` to work.')

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