GH1654 Clean out deprecated copy argument

[loicdiridollou]

Copy keyword

The copy keyword argument in the following methods is deprecated and will be removed in a future version. (pandas-dev/pandas#57347)

[DataFrame.truncate()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.truncate.html#pandas.DataFrame.truncate) / [Series.truncate()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.truncate.html#pandas.Series.truncate)
[DataFrame.tz_convert()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.tz_convert.html#pandas.DataFrame.tz_convert) / [Series.tz_convert()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.tz_convert.html#pandas.Series.tz_convert)
[DataFrame.tz_localize()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.tz_localize.html#pandas.DataFrame.tz_localize) / [Series.tz_localize()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.tz_localize.html#pandas.Series.tz_localize)
[DataFrame.infer_objects()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.infer_objects.html#pandas.DataFrame.infer_objects) / [Series.infer_objects()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.infer_objects.html#pandas.Series.infer_objects)
[DataFrame.align()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.align.html#pandas.DataFrame.align) / [Series.align()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.align.html#pandas.Series.align)
[DataFrame.astype()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.astype.html#pandas.DataFrame.astype) / [Series.astype()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.astype.html#pandas.Series.astype)
[DataFrame.reindex()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.reindex.html#pandas.DataFrame.reindex) / [Series.reindex()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.reindex.html#pandas.Series.reindex)
[DataFrame.reindex_like()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.reindex_like.html#pandas.DataFrame.reindex_like) / [Series.reindex_like()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.reindex_like.html#pandas.Series.reindex_like)
[DataFrame.set_axis()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.set_axis.html#pandas.DataFrame.set_axis) / [Series.set_axis()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.set_axis.html#pandas.Series.set_axis)
[DataFrame.to_period()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.to_period.html#pandas.DataFrame.to_period) / [Series.to_period()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.to_period.html#pandas.Series.to_period)
[DataFrame.to_timestamp()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.to_timestamp.html#pandas.DataFrame.to_timestamp) / [Series.to_timestamp()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.to_timestamp.html#pandas.Series.to_timestamp)
[DataFrame.rename()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.rename.html#pandas.DataFrame.rename) / [Series.rename()](https://pandas.pydata.org/docs/dev/reference/api/pandas.Series.rename.html#pandas.Series.rename)
[DataFrame.transpose()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.transpose.html#pandas.DataFrame.transpose)
[DataFrame.swaplevel()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.swaplevel.html#pandas.DataFrame.swaplevel)
[DataFrame.merge()](https://pandas.pydata.org/docs/dev/reference/api/pandas.DataFrame.merge.html#pandas.DataFrame.merge) / pd.merge()

[cmp0xff]

Looks good, thank you @loicdiridollou !

[cmp0xff]

@loicdiridollou Please resolve the conflicts so we can merge.

[loicdiridollou]

Thanks for the review, should be good now!