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Backport PR #42487 on branch 1.3.x (CI: add back xfail for flaky chunksize test) #42491

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Merged
merged 1 commit into from
Jul 12, 2021
Merged

Backport PR #42487 on branch 1.3.x (CI: add back xfail for flaky chunksize test) #42491

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20 changes: 18 additions & 2 deletions pandas/tests/io/parser/common/test_chunksize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -191,8 +191,24 @@ def test_warn_if_chunks_have_mismatched_type(all_parsers, request):

buf = StringIO(data)

with tm.assert_produces_warning(warning_type):
df = parser.read_csv(buf)
try:
with tm.assert_produces_warning(warning_type):
df = parser.read_csv(buf)
except AssertionError as err:
# 2021-02-21 this occasionally fails on the CI with an unexpected
# ResourceWarning that we have been unable to track down,
# see GH#38630
if "ResourceWarning" not in str(err) or parser.engine != "python":
raise

# Check the main assertion of the test before re-raising
assert df.a.dtype == object

mark = pytest.mark.xfail(
reason="ResourceWarning for unclosed SSL Socket, GH#38630"
)
request.node.add_marker(mark)
raise

assert df.a.dtype == object

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