Pandas 2.0 Migration

[loicdiridollou]

Describe the bug

• Removed argument how from PeriodIndex.astype()

The following ones are either done or no action needed:

• Removed deprecated Series.iteritems(), DataFrame.iteritems()
• Removed deprecated Series.iteritems(), DataFrame.iteritems() and HDFStore.iteritems()
• Removed deprecated DatetimeIndex.union_many()
• Removed deprecated Styler.hide_index() and Styler.hide_columns()
• Removed deprecated Styler.set_na_rep() and Styler.set_precision()
• Removed deprecated Styler.where()
• Removed deprecated Styler.render()

[Dr-Irv]

The following ones are either done or no action needed:

thanks. I updated the master issue #624