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Don't cache exception with traceback reference loop in dviread. #28899

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merged 1 commit into from
Sep 28, 2024
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Don't cache exception with traceback reference loop in dviread. #28899

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2 changes: 1 addition & 1 deletion lib/matplotlib/dviread.py
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Original file line number Diff line number Diff line change
Expand Up @@ -504,7 +504,7 @@
# and throw that error in Dvi._read. For Vf, _finalize_packet
# checks whether a missing glyph has been used, and in that case
# skips the glyph definition.
self.fonts[k] = exc
self.fonts[k] = exc.with_traceback(None)

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Added line #L507 was not covered by tests
return
if c != 0 and tfm.checksum != 0 and c != tfm.checksum:
raise ValueError(f'tfm checksum mismatch: {n}')
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