While dealing with data in real world, its noted that level of complexity is higher and it would be better if there is some temporary variable inside the pandas data frame itself where we can store ...

I pickled a dataframe, containing a datetime variable, an integer, a pandas-month-year, panda-year variable, under pandas 1.0.5 to my disk. After the update to pandas 1.1.0, I can no longer load it, ...