Deprecated Series.ftype, Series.ftypes and DataFrame.ftypes features

[thiviyanT]

Deprecation of Series.ftype, Series.ftypes and DataFrame.ftypes
closes #26705

• Updated the docstrings for the sphinx documentation
• Updated the unit tests for testing deprecation warnings
• Added Git Issue Number to unit tests

[codecov]

Codecov Report

Merging #26751 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #26751      +/-   ##
==========================================
- Coverage    91.7%   91.69%   -0.01%     
==========================================
  Files         179      179              
  Lines       50767    50770       +3     
==========================================
- Hits        46555    46554       -1     
- Misses       4212     4216       +4

Flag	Coverage Δ
#multiple	90.29% <100%> (ø)	⬆️
#single	41.2% <0%> (-0.09%)	⬇️

Impacted Files	Coverage Δ
pandas/core/series.py	93.62% <100%> (+0.01%)	⬆️
pandas/core/generic.py	93.64% <100%> (ø)	⬆️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	96.88% <0%> (-0.12%)	⬇️

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[thiviyanT]

I can see that the builds are failing. Upon having a close look at the build logs, I can see that these failures are coming from the following test functions:

• test_empty_frame_dtypes_ftypes (pandas/tests/frame/test_dtypes.py)
• test_concat_empty_series_dtypes (pandas/tests/series/test_combine_concat.py)
• test_construct_DataFrame_with_sp_series (pandas/tests/sparse/series/test_series.py)

Do you want me to update those unit tests as well?

[jreback]

there is no need to create a new PR for changes; just push to the old one

since it’s already done it’s ok