def _reopen(self):
        if self.file and self.file.closed:
            mod_type = self.etc[2]
            if mod_type==imp.PY_SOURCE:
                self.file = open(self.filename, 'rU')
            elif mod_type is not (imp.PY_COMPILED, imp.C_EXTENSION):
                self.file = open(self.filename, 'rb')
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/pkgutil.py/ImpLoader._reopen/operator `in` -> `is not`