NameError: name 'open' is not defined #1563
Description
Steps to reproduce
Expected behaviour
Tell us what should happen
Actual behaviour
I'm getting some errors related to asyncio and tornado in production. I didn't get them locally.
Configuration
Operating System:
Ubuntu 16.04.6 LTS
Version of Python, python-telegram-bot & dependencies:
python-telegram-bot 12.2.0
certifi 2019.09.11
future 0.18.0
Python 3.5.2 (default, Oct 8 2019, 13:06:37) [GCC 5.4.0 20160609]
Logs
2019-10-17 22:19:04,457 - asyncio - ERROR - Task was destroyed but it is pending!
task: <Task pending coro=<HTTP1ServerConnection._server_request_loop() running at /home/ubuntu/.local/share/virtualenvs/FileConvertBot-QIl0H4VU/lib/python3.5/site-packages/tornado/http1connection.py:817> wait_for=<Future pending cb=[Task._wakeup()]> cb=[IOLoop.add_future.<locals>.<lambda>() at /home/ubuntu/.local/share/virtualenvs/FileConvertBot-QIl0H4VU/lib/python3.5/site-packages/tornado/ioloop.py:690]>
2019-10-17 22:19:04,458 - asyncio - ERROR - Exception in default exception handler
Traceback (most recent call last):
File "/usr/lib/python3.5/asyncio/base_events.py", line 1171, in call_exception_handler
self.default_exception_handler(context)
File "/usr/lib/python3.5/asyncio/base_events.py", line 1148, in default_exception_handler
logger.error('\n'.join(log_lines), exc_info=exc_info)
File "/usr/lib/python3.5/logging/__init__.py", line 1308, in error
self._log(ERROR, msg, args, **kwargs)
File "/usr/lib/python3.5/logging/__init__.py", line 1415, in _log
self.handle(record)
File "/usr/lib/python3.5/logging/__init__.py", line 1425, in handle
self.callHandlers(record)
File "/usr/lib/python3.5/logging/__init__.py", line 1487, in callHandlers
hdlr.handle(record)
File "/usr/lib/python3.5/logging/__init__.py", line 855, in handle
self.emit(record)
File "/usr/lib/python3.5/logging/__init__.py", line 1047, in emit
self.stream = self._open()
File "/usr/lib/python3.5/logging/__init__.py", line 1037, in _open
return open(self.baseFilename, self.mode, encoding=self.encoding)
NameError: name 'open' is not defined
Exception ignored in: <bound method Task.__del__ of <Task pending coro=<HTTP1ServerConnection._server_request_loop() running at /home/ubuntu/.local/share/virtualenvs/FileConvertBot-QIl0H4VU/lib/python3.5/site-packages/tornado/http1connection.py:817> wait_for=<Future pending cb=[Task._wakeup()]> cb=[IOLoop.add_future.<locals>.<lambda>() at /home/ubuntu/.local/share/virtualenvs/FileConvertBot-QIl0H4VU/lib/python3.5/site-packages/tornado/ioloop.py:690]>>
Traceback (most recent call last):
File "/usr/lib/python3.5/asyncio/tasks.py", line 92, in __del__
File "/usr/lib/python3.5/asyncio/base_events.py", line 1177, in call_exception_handler
File "/usr/lib/python3.5/logging/__init__.py", line 1308, in error
File "/usr/lib/python3.5/logging/__init__.py", line 1415, in _log
File "/usr/lib/python3.5/logging/__init__.py", line 1425, in handle
File "/usr/lib/python3.5/logging/__init__.py", line 1487, in callHandlers
File "/usr/lib/python3.5/logging/__init__.py", line 855, in handle
File "/usr/lib/python3.5/logging/__init__.py", line 1047, in emit
File "/usr/lib/python3.5/logging/__init__.py", line 1037, in _open
NameError: name 'open' is not defined