def __enter__(self):
        if not self.resumable:
            raise ValueError("Timer is not resumable!")
        self.start_time = time.time()
Adds a request-response pair to the recordings list.
dataset/ETHPy150Open xolox/python-humanfriendly/humanfriendly/__init__.py/Timer.__enter__--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/vendor/atom/mock_http.py/MockHttpClient.add_response