def get_filename(self, fullname=None):
        fullname = self._fix_name(fullname)
        mod_type = self.etc[2]
        if self.etc[2] is imp.PKG_DIRECTORY:
            return self._get_delegate().get_filename()
        elif self.etc[2] in (imp.PY_SOURCE, imp.PY_COMPILED, imp.C_EXTENSION):
            return self.filename
        return None
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/pkgutil.py/ImpLoader.get_filename/operator `==` -> `is`