Traceback (most recent call last):
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 2309, in __call__
        return self.wsgi_app(environ, start_response)
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 2295, in wsgi_app
        response = self.handle_exception(e)
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 1741, in handle_exception
        reraise(exc_type, exc_value, tb)
      File "/usr/local/lib/python3.6/dist-packages/flask/_compat.py", line 35, in reraise
        raise value
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 2292, in wsgi_app
        response = self.full_dispatch_request()
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 1815, in full_dispatch_request
        rv = self.handle_user_exception(e)
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 1718, in handle_user_exception
        reraise(exc_type, exc_value, tb)
      File "/usr/local/lib/python3.6/dist-packages/flask/_compat.py", line 35, in reraise
        raise value
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 1813, in full_dispatch_request
        rv = self.dispatch_request()
      File "/usr/local/lib/python3.6/dist-packages/flask/app.py", line 1799, in dispatch_request
        return self.view_functions[rule.endpoint](**req.view_args)
      File "app.py", line 54, in index
        if is_authenticated():
      File "app.py", line 134, in is_authenticated
        auth_info = extract_auth_info(auth_token)
      File "app.py", line 143, in extract_auth_info
        claims = jwt.decode(auth_token, public_key)
      File "/usr/local/lib/python3.6/dist-packages/authlib/specs/rfc7519/jwt.py", line 119, in decode
        data = self._jws.deserialize_compact(s, key_func, decode_payload)
      File "/usr/local/lib/python3.6/dist-packages/authlib/specs/rfc7515/jws.py", line 104, in deserialize_compact
        self._validate_header(jws_header)
      File "/usr/local/lib/python3.6/dist-packages/authlib/specs/rfc7515/jws.py", line 256, in _validate_header
        raise UnsupportedAlgorithmError()
    authlib.specs.rfc7515.errors.UnsupportedAlgorithmError: unsupported_algorithm: