def coerce(cls, string):
        """Create a :class:`Requirement` object from a given package spec."""
        match = re.match(cls.spec_regex, string)
        if not match:
            raise InvalidRequirementSpecError("could not parse requirement")
        package = match.group(1)
        if all(match.group(2, 3)):
            version = "".join(match.group(2, 3))
        else:
            version = None
        return cls(package, version)
def test_dummy_request():
    from rasa.nlu.emulators.no_emulator import NoEmulator

    em = NoEmulator()
    norm = em.normalise_request_json({"text": ["arb text"]})
    assert norm == {"text": "arb text", "time": None}

    norm = em.normalise_request_json({"text": ["arb text"], "time": "1499279161658"})
    assert norm == {"text": "arb text", "time": "1499279161658"}