Fix: F999 dictionary key '2000q4' repeated with different values by nparley · Pull Request #14198 · pandas-dev/pandas (original) (raw)

@jreback Have a look: https://github.com/pydata/pandas/blob/master/pandas/tseries/tests/test_tslib.py

line 685 vs line 690:
'2000q4': datetime.datetime(2000, 10, 1),
'2000q4': datetime.datetime(2000, 10, 1),

exactly the same. Line 681 is a different case:

'2000Q4': datetime.datetime(2000, 10, 1),

Lint must have got more stick with repeated keys.