Wes McKinney created ARROW-3269:
-----------------------------------
Summary: [Python] Fix warnings in unit test suite
Key: ARROW-3269
URL: https://issues.apache.org/jira/browse/ARROW-3269
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Wes McKinney
Fix For: 0.11.0
Observed in recent appveyor build
https://ci.appveyor.com/project/pitrou/arrow/build/job/c6b3pslhqag1gnw7
{code}
============================== warnings summary ===============================
<unknown>:1396: DeprecationWarning: invalid escape sequence \(
<unknown>:1401: DeprecationWarning: invalid escape sequence \(
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\formatting.py:32:
FutureWarning: array_format is deprecated, use Array.format() instead
FutureWarning)
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\formatting.py:32:
FutureWarning: array_format is deprecated, use Array.format() instead
FutureWarning)
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\formatting.py:32:
FutureWarning: array_format is deprecated, use Array.format() instead
FutureWarning)
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
source:1396: DeprecationWarning: invalid escape sequence \(
source:1401: DeprecationWarning: invalid escape sequence \(
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
FutureWarning: In the future, NAT != NAT will be True rather than False.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: elementwise != comparison failed; this will raise an error
in the future.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_convert_pandas.py:2076:
RuntimeWarning: invalid value encountered in sqrt
_check_series(pd.Series([np.sqrt(-1)] * 3, dtype=object))
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_ipc.py:298:
FutureWarning: Please use read_next_batch instead of get_next_batch
reader.get_next_batch()
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
FutureWarning: In the future, NAT != NAT will be True rather than False.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
FutureWarning: In the future, NAT != NAT will be True rather than False.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pandas\core\dtypes\missing.py:431:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if left_value != right_value:
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_parquet.py:1526:
FutureWarning: Comparing Series of datetimes with 'datetime.date'. Currently,
the
'datetime.date' is coerced to a datetime. In the future pandas will
not coerce, and 'the values will not compare equal to the
'datetime.date'. To retain the current behavior, convert the
'datetime.date' to a datetime with 'pd.Timestamp'.
predicate &= df[name] == value
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_parquet.py:1974:
ParserWarning: Falling back to the 'python' engine because the 'c' engine does
not support regex separators (separators > 1 char and different from '\s+' are
interpreted as regex); you can avoid this warning by specifying engine='python'.
io.BytesIO(expected_string), sep=r'\s{2,}', index_col=None, header=0
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_parquet.py:1996:
ParserWarning: Falling back to the 'python' engine because the 'c' engine does
not support regex separators (separators > 1 char and different from '\s+' are
interpreted as regex); you can avoid this warning by specifying engine='python'.
sep=r'\s{2,}', index_col=['cut', 'color', 'clarity'], header=0
c:\miniconda36-x64\envs\wheel_test\lib\site-packages\pyarrow\tests\test_parquet.py:2019:
ParserWarning: Falling back to the 'python' engine because the 'c' engine does
not support regex separators (separators > 1 char and different from '\s+' are
interpreted as regex); you can avoid this warning by specifying engine='python'.
sep=r'\s{2,}', index_col=['cut', 'color', 'clarity'], header=0
-- Docs: https://docs.pytest.org/en/latest/warnings.html
====== 1003 passed, 93 skipped, 5 xfailed, 32 warnings in 19.77 seconds =======
(wheel_test) C:\projects\arrow>set lastexitcode=0
{code}
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