[2023/11/08 11:25:53.741] FAILURE: aiohttp.client_exceptions.ClientResponseError: 400, message="Expected HTTP/:\n\n  b'0'\n    ^", url=URL('http://localhost:8088/fs/foo') ()
 [2023/11/08 11:25:53.741] self = <ClientResponse(http://localhost:8088/fs/foo) [None None]>
 [2023/11/08 11:25:53.741] None
 [2023/11/08 11:25:53.741] connection = Connection<ConnectionKey(host='localhost', port=8088, is_ssl=False, ssl=None, proxy=None, proxy_auth=None, proxy_headers_hash=None)>
 [2023/11/08 11:25:53.741]     async def start(self, connection: "Connection") -> "ClientResponse":
 [2023/11/08 11:25:53.741]         """Start response processing."""
 [2023/11/08 11:25:53.741]         self._closed = False
 [2023/11/08 11:25:53.741]         self._protocol = connection.protocol
 [2023/11/08 11:25:53.741]         self._connection = connection
 [2023/11/08 11:25:53.741] 
 [2023/11/08 11:25:53.741]         with self._timer:
 [2023/11/08 11:25:53.741]             while True:
 [2023/11/08 11:25:53.741]                 # read response
 [2023/11/08 11:25:53.741]                 try:
 [2023/11/08 11:25:53.741]                     protocol = self._protocol
 [2023/11/08 11:25:53.741] >                   message, payload = await protocol.read()  # type: ignore[union-attr]
 [2023/11/08 11:25:53.741] .tox/test-pymongo-latest/lib/python3.7/site-packages/aiohttp/client_reqrep.py:905:
 [2023/11/08 11:25:53.741] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2023/11/08 11:25:53.741] .tox/test-pymongo-latest/lib/python3.7/site-packages/aiohttp/streams.py:616: in read
 [2023/11/08 11:25:53.741]     await self._waiter
 [2023/11/08 11:25:53.741] .tox/test-pymongo-latest/lib/python3.7/site-packages/aiohttp/client_proto.py:213: in data_received
 [2023/11/08 11:25:53.741]     messages, upgraded, tail = self._parser.feed_data(data)
 [2023/11/08 11:25:53.741] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2023/11/08 11:25:53.741] >   ???
 [2023/11/08 11:25:53.741] E   aiohttp.http_exceptions.BadHttpMessage: 400, message:
 [2023/11/08 11:25:53.741] E     Expected HTTP/:
 [2023/11/08 11:25:53.741] E
 [2023/11/08 11:25:53.741] E       b'0'
 [2023/11/08 11:25:53.741] E         ^
 [2023/11/08 11:25:53.741] aiohttp/_http_parser.pyx:557: BadHttpMessage
 [2023/11/08 11:25:53.741] The above exception was the direct cause of the following exception:
 [2023/11/08 11:25:53.741] self = <test.asyncio_tests.test_aiohttp_gridfs.AIOHTTPGridFSHandlerTest testMethod=test_basic>
 [2023/11/08 11:25:53.741]     @asyncio_test
 [2023/11/08 11:25:53.741]     async def test_basic(self):
 [2023/11/08 11:25:53.741]         await self.start_app()
 [2023/11/08 11:25:53.741]         # First request
 [2023/11/08 11:25:53.741]         response = await self.get("/fs/foo")
 [2023/11/08 11:25:53.741] 
 [2023/11/08 11:25:53.741]         self.assertEqual(200, response.status)
 [2023/11/08 11:25:53.741]         self.assertEqual(self.contents, (await response.read()))
 [2023/11/08 11:25:53.741]         self.assertEqual(len(self.contents), int(response.headers["Content-Length"]))
 [2023/11/08 11:25:53.741]         self.assertEqual("my type", response.headers["Content-Type"])
 [2023/11/08 11:25:53.741]         self.assertEqual("public", response.headers["Cache-Control"])
 [2023/11/08 11:25:53.741]         self.assertTrue("Expires" not in response.headers)
 [2023/11/08 11:25:53.741] 
 [2023/11/08 11:25:53.741]         etag = response.headers["Etag"]
 [2023/11/08 11:25:53.741]         last_mod_dt = parse_date(response.headers["Last-Modified"])
 [2023/11/08 11:25:53.741]         self.assertEqual(self.contents_hash, etag.strip('"'))
 [2023/11/08 11:25:53.741]         self.assertTrue(self.put_start <= last_mod_dt <= self.put_end)
 [2023/11/08 11:25:53.741] 
 [2023/11/08 11:25:53.741]         # Now check we get 304 NOT MODIFIED responses as appropriate
 [2023/11/08 11:25:53.741]         for ims_value in (last_mod_dt, last_mod_dt + datetime.timedelta(seconds=1)):
 [2023/11/08 11:25:53.741] >           response = await self.get("/fs/foo", if_modified_since=ims_value)
 [2023/11/08 11:25:53.741] test/asyncio_tests/test_aiohttp_gridfs.py:149:
 [2023/11/08 11:25:53.741] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2023/11/08 11:25:53.741] test/asyncio_tests/test_aiohttp_gridfs.py:107: in request
 [2023/11/08 11:25:53.741]     resp = await method("http://localhost:8088%s" % path, headers=headers)
 [2023/11/08 11:25:53.741] .tox/test-pymongo-latest/lib/python3.7/site-packages/aiohttp/client.py:586: in _request
 [2023/11/08 11:25:53.741]     await resp.start(conn)
 [2023/11/08 11:25:53.741] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
 [2023/11/08 11:25:53.741] self = <ClientResponse(http://localhost:8088/fs/foo) [None None]>
 [2023/11/08 11:25:53.741] None
 [2023/11/08 11:25:53.741] connection = Connection<ConnectionKey(host='localhost', port=8088, is_ssl=False, ssl=None, proxy=None, proxy_auth=None, proxy_headers_hash=None)>
 [2023/11/08 11:25:53.741]     async def start(self, connection: "Connection") -> "ClientResponse":
 [2023/11/08 11:25:53.741]         """Start response processing."""
 [2023/11/08 11:25:53.741]         self._closed = False
 [2023/11/08 11:25:53.741]         self._protocol = connection.protocol
 [2023/11/08 11:25:53.741]         self._connection = connection
 [2023/11/08 11:25:53.741] 
 [2023/11/08 11:25:53.741]         with self._timer:
 [2023/11/08 11:25:53.741]             while True:
 [2023/11/08 11:25:53.741]                 # read response
 [2023/11/08 11:25:53.741]                 try:
 [2023/11/08 11:25:53.741]                     protocol = self._protocol
 [2023/11/08 11:25:53.741]                     message, payload = await protocol.read()  # type: ignore[union-attr]
 [2023/11/08 11:25:53.741]                 except http.HttpProcessingError as exc:
 [2023/11/08 11:25:53.741]                     raise ClientResponseError(
 [2023/11/08 11:25:53.741]                         self.request_info,
 [2023/11/08 11:25:53.741]                         self.history,
 [2023/11/08 11:25:53.741]                         status=exc.code,
 [2023/11/08 11:25:53.741]                         message=exc.message,
 [2023/11/08 11:25:53.741]                         headers=exc.headers,
 [2023/11/08 11:25:53.741] >                   ) from exc
 [2023/11/08 11:25:53.741] E                   aiohttp.client_exceptions.ClientResponseError: 400, message="Expected HTTP/:\n\n  b'0'\n    ^", url=URL('http://localhost:8088/fs/foo')
 [2023/11/08 11:25:53.741] .tox/test-pymongo-latest/lib/python3.7/site-packages/aiohttp/client_reqrep.py:913: ClientResponseError