def _translate_colname(self, colname):
    if ((not self._preserve_raw_colnames) and ('.' in colname)):
        return (colname.split('.')[(- 1)], colname)
    else:
        return (colname, None)
def _translate_colname(self, colname):
    if ((not self._preserve_raw_colnames) and ('.' in colname)):
        return (colname.split('.')[(- 1)], colname)
    else:
        return (colname, None)