The following are recognized as ending a line: the Unix end-of-line
convention '\n', the Windows convention '\r\n', and the old
Macintosh convention '\r'.

http://www.python.org/dev/peps/pep-0278

Thanks tchaumeny for review.

Thanks claudp for the suggestion and review.

Fixed #23556 -- Raise a more meaningful error message when migrations refer to an unavailable node

Thanks to Naddiseo for the report and Tim Graham for the review

Refs #23395.

Thanks KevinEtienne for the suggestion.

On MySQLdb < 1.2.5, MySQLdb returns None when fetching datetime/time
values with fractional seconds.
See https://github.com/farcepest/MySQLdb1/issues/24

Thanks erik@cederstrand.dk for the report and Tim Graham for the review.

Refs #19716.

Refs #14334

Thanks inglesp for the report.

Thanks CHI Cheng for the report.

Thanks Corey Farwell for the report and Tim Graham for the review.
Thanks also to Inada Naoki for creating and maintaining mysqlclient.

Thanks Bjarkias for the report.

Basically a4737bf6 reapplied.