commits: 69086b332c6c950587830b266df4e624c2106d89

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
69086b332c6c950587830b266df4e624c2106d89	Fix maybe_promote (#1953) * Fix maybe_promote With tests for every possible dtype: (numpy docs say `biufcmMOSUV` only) ``` for letter in string.ascii_letters: try: print(letter, np.dtype(letter)) except TypeError as exc: pass ``` * Check issubdtype of floating before timedelta64 In order to hit this branch more often * Improve maybe_promote test	2018-08-20T16:31:15Z	2018-08-20T16:31:15Z	0932899d57e04ca5af02e127ec7d787c71e006cc	f10b21bed2846b879806f87039b77245b18e7671	13221727	1997005	1217238