Mark for backport if we ever get to the 0.5.1 release?
STY: Pep-8 cleanup
TST: Failing test. Raises on missing='raise' and no missing.
BUG: Allow missing='raise' and no missing data. Closes #1700
Changes Unknown when pulling 100e990 on jseabold:fix-1700 into * on statsmodels:master*.
"assert_doesnot_raise" test (not really smoke in lack of a real test) :)
Trying to understand a bit the logic in the missing value handling.
It uses pandas.isnull which does not check for inf. related to #1642
It does if you ask it to #1450
good cross-link, I didn't remember this.