def _reindex(df, col):
    '''internal'''
    if col in df.columns:
        df.set_index(col, inplace=True)
def _reindex(df, col):
    '''internal'''
    if col in df.columns:
        df.set_index(col, inplace=True)
def _reindex ( df , col ) : if col in df . columns : df . set_index ( col , inplace = True )
internal
internal