GitHub user srowen opened a pull request:
https://github.com/apache/spark/pull/22400
[SPARK-25238][PYTHON] lint-python: Fix W605 warnings for pycodestyle 2.4
(This change is a subset of the changes needed for the JIRA; see
https://github.com/apache/spark/pull/22231)
## What changes were proposed in this pull request?
Use raw strings and simpler regex syntax consistently in Python, which also
avoids warnings from pycodestyle about accidentally relying Python's
non-escaping of non-reserved chars in normal strings. Also, fix a few long
lines.
## How was this patch tested?
Existing tests, and some manual double-checking of the behavior of regexes
in Python 2/3 to be sure.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/srowen/spark SPARK-25238.2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22400.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #22400
----
commit fc4b49ed784581a85f5742a701046a1ca8e4d32e
Author: Sean Owen <sean.owen@...>
Date: 2018-09-12T03:19:55Z
Use raw strings and simpler regex syntax consistently in Python, which also
avoids warnings from pycodestyle about accidentally relying Python's
non-escaping of non-reserved chars in normal strings
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