def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def _no_ssl_required_on_debug(app, **kwargs):
    if app.debug or app.testing:
        os.environ['AUTHLIB_INSECURE_TRANSPORT'] = '1'