FEATURE: pandas.Series.query() #22347
Hello @yaolan4! Thanks for updating this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:





* In the file [`pandas/tests/series/test_query_eval.py`](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py):

> [Line 124:13](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L124): [E128](https://duckduckgo.com/?q=pep8%20E128) continuation line under-indented for visual indent
> [Line 132:13](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L132): [E128](https://duckduckgo.com/?q=pep8%20E128) continuation line under-indented for visual indent
> [Line 309:80](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L309): [E251](https://duckduckgo.com/?q=pep8%20E251) unexpected spaces around keyword / parameter equals
> [Line 310:13](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L310): [E128](https://duckduckgo.com/?q=pep8%20E128) continuation line under-indented for visual indent
> [Line 320:13](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L320): [E124](https://duckduckgo.com/?q=pep8%20E124) closing bracket does not match visual indentation
> [Line 328:13](https://github.com/pandas-dev/pandas/blob/4fc2b5c47e2cc49d739b775fa9bf165930d88104/pandas/tests/series/test_query_eval.py#L328): [E128](https://duckduckgo.com/?q=pep8%20E128) continuation line under-indented for visual indent



##### Comment last updated at 2020-04-10 01:50:37 UTC Closing as this looks stale, but ping if you'd like to continue and can merge master. Thanks!