df.set_index("inexistent_col") sets the index instead of raising an exception

[YarShev]

Modin

import modin.pandas as pd

df = pd.DataFrame({'month': [1, 4, 7, 10],
    'year': [2012, 2014, 2013, 2014],
    'sale': [55, 40, 84, 31]})

df.set_index("inexistent_col")
      month  year  sale
sale
55        1  2012    55
40        4  2014    40
84        7  2013    84
31       10  2014    31

pandas

import pandas

df = pandas.DataFrame({'month': [1, 4, 7, 10],
    'year': [2012, 2014, 2013, 2014],
    'sale': [55, 40, 84, 31]})

df.set_index("inexistent_col")
KeyError: "None of ['inexistent_col'] are in the columns"