Wes McKinney created ARROW-7974:
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Summary: [Developer][C++] ResourceWarning in "make check-format"
Key: ARROW-7974
URL: https://issues.apache.org/jira/browse/ARROW-7974
Project: Apache Arrow
Issue Type: Bug
Components: C++, Developer Tools
Reporter: Wes McKinney
Fix For: 1.0.0
Related to ARROW-7973, I also see
{code}
$ ninja check-format
[1/1] cd /home/wesm/code/arrow/cpp/preflight...ce_dir
/home/wesm/code/arrow/cpp/src --quiet
/home/wesm/code/arrow/cpp/build-support/run_clang_format.py:77:
ResourceWarning: unclosed file <_io.TextIOWrapper
name='/home/wesm/code/arrow/cpp/build-support/lint_exclusions.txt' mode='r'
encoding='UTF-8'>
for line in open(arguments.exclude_globs):
ResourceWarning: Enable tracemalloc to get the object allocation traceback
{code}
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