Fix validation error type `SS02` and check in CI

[kynan]

Problem description

In order to have a continuous check by the CI on validation error SS02 (Summary does not start with a capital letter), fixing them in the code base enables the addition to the CI for automated testing in the future.

SS02 has just 61 occurrences (see overview of the errors):

method	file	file_line	github_link
pandas.tseries.offsets.DateOffset.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BusinessDay.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BusinessHour.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CustomBusinessDay.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CustomBusinessHour.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.MonthOffset.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.MonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.MonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BusinessMonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BusinessMonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CustomBusinessMonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CustomBusinessMonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.SemiMonthOffset.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.SemiMonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.SemiMonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Week.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.WeekOfMonth.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.LastWeekOfMonth.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.QuarterOffset.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BQuarterEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BQuarterBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.QuarterEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.QuarterBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.YearOffset.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BYearEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BYearBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.YearEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.YearBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.FY5253.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.FY5253Quarter.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
...	...	...	...
pandas.tseries.offsets.Tick.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Day.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Hour.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Minute.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Second.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Milli.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Micro.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.Nano.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BDay.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BMonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.BMonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CBMonthEnd.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CBMonthBegin.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.tseries.offsets.CDay.normalize	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.ceil	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.combine	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.floor	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.fromordinal	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.fromtimestamp	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.replace	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.strftime	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timestamp.strptime	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timedelta.view	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timedelta.ceil	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timedelta.floor	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Timedelta.to_pytimedelta	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.HDFStore.groups	pandas/io/pytables.py	1093.0	https://github.com/pandas-dev/pandas/blob/master/pandas/io/pytables.py#L1093
pandas.Panel.items	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Panel.major_axis	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone
pandas.Panel.minor_axis	None	NaN	https://github.com/pandas-dev/pandas/blob/master/None#LNone

Todo:

• get rid of the errors in the code base
• update the code_check.sh script to take into account the SS02 type of errors

[souvik3333]

Hi, can I work on this?

[thoo]

@souvik3333 Sure.

[souvik3333]

Thanks @thoo, Can you please tell me how to find the error causing lines as most of them are not mentioned.

[abhishekmangla]

take

[abhishekmangla]

@jorisvandenbossche For visibility.

I am encountering just one case where SS02 fails:
##[error]None:None:SS02:pandas.Timestamp.strftime:Summary does not start with a capital letter

I can't find the docstring for this method in the codebase, maybe it is being lifted from python's datetime module?