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1.4.2: ERROR: test_graph_pickling (__main__.TestGraphAPI) #256

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sandrotosi opened this issue Feb 15, 2021 · 1 comment
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1.4.2: ERROR: test_graph_pickling (__main__.TestGraphAPI) #256

sandrotosi opened this issue Feb 15, 2021 · 1 comment
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api duplicate enhancement
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2.0.0 (or later)

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@sandrotosi
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Hello,
with the newly released 1.4.2, i get this error when running the unittests:

ERROR: test_graph_pickling (__main__.TestGraphAPI)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/build/pydot-1.4.2/test/pydot_unittest.py", line 114, in test_graph_pickling
    pickle.dumps(g)
AttributeError: Can't pickle local object 'Common.create_attribute_methods.<locals>.<lambda>'
@sandrotosi sandrotosi mentioned this issue Feb 15, 2021
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@peternowee peternowee mentioned this issue Feb 16, 2021
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@peternowee peternowee added this to the 2.0.0 (or later) milestone Feb 16, 2021
@peternowee
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Hi @sandrotosi, thanks for reporting. This test does not fail on plain pydot 1.4.2 as we distribute it here on GitHub and on PyPI.org, but only after applying the additional patch for the Debian package debian/patches/serialize-via-dill.patch, applied since Debian pydot 1.4.1-2. The test failure was happening with Debian pydot 1.4.1-2 already, which is why the test suite was disabled for Debian pydot 1.4.1-3.

I reviewed that patch a few months ago in #217 (comment), but did not get any reply. I added another comment today with some suggested solutions: #217 (comment).

Hope we can move this discussion to there. Closing this issue here.

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