(self)
return Path(self.file.name).suffix[1:].lower()
Returns one of xlxs, xls, or csv
Returns one of xlxs, xls, or csv
Returns one of xlxs xls or csv
def _get_file_type(self):
        """
        Returns one of xlxs, xls, or csv
        """
        return Path(self.file.name).suffix[1:].lower()
def _get_file_type ( self ) : return Path ( self . file . name ) . suffix [ 1 : ] . lower ( )