i got this error what could it be
Unhandled exception Traceback (most recent call last): File "/usr/local/lib/python3.6/site-packages/aiohttp/web_protocol.py", line 398, in start await resp.prepare(request) File "/usr/local/lib/python3.6/site-packages/aiohttp/web_response.py", line 300, in prepare return await self._start(request) File "/usr/local/lib/python3.6/site-packages/aiohttp/web_response.py", line 605, in _start return await super()._start(request) File "/usr/local/lib/python3.6/site-packages/aiohttp/web_response.py", line 367, in _start await writer.write_headers(status_line, headers) File "/usr/local/lib/python3.6/site-packages/aiohttp/http_writer.py", line 100, in write_headers self._write(buf) File "/usr/local/lib/python3.6/site-packages/aiohttp/http_writer.py", line 57, in _write raise ConnectionResetError('Cannot write to closing transport') ConnectionResetError: Cannot write to closing transport