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Fix exception cause in core.py #978

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Merged
merged 1 commit into from
Jun 12, 2020
Merged

Fix exception cause in core.py #978

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4 changes: 2 additions & 2 deletions markdown/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -276,14 +276,14 @@ def convert(self, source):
'<%s>' % self.doc_tag) + len(self.doc_tag) + 2
end = output.rindex('</%s>' % self.doc_tag)
output = output[start:end].strip()
except ValueError: # pragma: no cover
except ValueError as e: # pragma: no cover
if output.strip().endswith('<%s />' % self.doc_tag):
# We have an empty document
output = ''
else:
# We have a serious problem
raise ValueError('Markdown failed to strip top-level '
'tags. Document=%r' % output.strip())
'tags. Document=%r' % output.strip()) from e

# Run the text post-processors
for pp in self.postprocessors:
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