Update documentation for date_range(), bdate_range(), and interval_range() to include timedelta as a possible data type for the freq parameter

Author: gandhis1

pandas/core/indexes/datetimes.py

@@ -966,7 +966,7 @@ def date_range(
  Right bound for generating dates.
  periods : int, optional
  Number of periods to generate.
- freq : str or DateOffset, default 'D'
+ freq : str, datetime.timedelta, or BaseOffset, default 'D'
  Frequency strings can have multiples, e.g. '5H'. See
  :ref:`here <timeseries.offset_aliases>` for a list of
  frequency aliases.
@@ -1163,7 +1163,7 @@ def bdate_range(
  Right bound for generating dates.
  periods : int, default None
  Number of periods to generate.
- freq : str or DateOffset, default 'B' (business daily)
+ freq : str, datetime.timedelta, or DateOffset, default 'B' (business daily)
  Frequency strings can have multiples, e.g. '5H'.
  tz : str or None
  Time zone name for returning localized DatetimeIndex, for example

pandas/core/indexes/interval.py

@@ -969,7 +969,7 @@ def interval_range(
  Right bound for generating intervals.
  periods : int, default None
  Number of periods to generate.
- freq : numeric, str, or DateOffset, default None
+ freq : numeric, str, datetime.timedelta, or DateOffset, default None
  The length of each interval. Must be consistent with the type of start
  and end, e.g. 2 for numeric, or '5H' for datetime-like. Default is 1
  for numeric and 'D' for datetime-like.