def auth_user(self, username, password):

        response = self._post(self.rest_url + "/authentication",
                              data=json.dumps({"value": password}),
                              params={"username": username})

        # If authentication failed for any reason return None
        if not response.ok:
            return None

        # ...otherwise return a dictionary of user attributes
        return response.json()
src_nodata is required if dst_nodata is not None
dataset/ETHPy150Open pycontribs/python-crowd/crowd.py/CrowdServer.auth_user--crossover with--dataset/ETHPy150Open mapbox/rasterio/tests/test_warp.py/test_reproject_missing_src_nodata