Norman Fung <norman.lm.f...@gmail.com> added the comment:
Also, i reverted back to python 3.8.5 and overwrote task.py as recommended. I think that version we dont already have "GenericAlias". import asyncio File "C:\ProgramData\Anaconda3\lib\asyncio\__init__.py", line 8, in <module> from .base_events import * File "C:\ProgramData\Anaconda3\lib\asyncio\base_events.py", line 45, in <module> from . import staggered File "C:\ProgramData\Anaconda3\lib\asyncio\staggered.py", line 11, in <module> from . import tasks File "C:\ProgramData\Anaconda3\lib\asyncio\tasks.py", line 20, in <module> from types import GenericAlias ImportError: cannot import name 'GenericAlias' from 'types' (C:\ProgramData\Anaconda3\lib\types.py) On Sat, Feb 26, 2022 at 3:20 PM Norman Fung <rep...@bugs.python.org> wrote: > > Norman Fung <norman.lm.f...@gmail.com> added the comment: > > Thanks Andrew for heads up. > > *1. My laptop (Windows 10) *with no changes runs happily with no error from > here. > python 3.8.5 > asyncio 3.4.3 > > 2. *My Windows VM (AWS EC2)* is where the whole mess is happening. I > *upgraded > *from Python 3.8.5 to 3.9.7. Asynio stayed 3.4.3, no change. > > I manually overwrite C:\ProgramData\Anaconda3\Lib\asyncio\task.py with > what's here https://github.com/python/cpython/pull/31441/files > (Only > > https://github.com/asvetlov/cpython/blob/150ef068c77abc6a5e7ba97397ac65113dba355a/Lib/asyncio/tasks.py > ) > > Before I made this change, the error was: > File "src\xxx\xxx.py", line 37, in _invoke_runners > one_loop.run_until_complete(runner.xxx(xxx, xxx)) > File "C:\ProgramData\Anaconda3\lib\site-packages\nest_asyncio.py", line > 90, in run_until_complete > self._run_once() > File "C:\ProgramData\Anaconda3\lib\site-packages\nest_asyncio.py", line > 127, in _run_once > handle._run() > File "C:\ProgramData\Anaconda3\lib\site-packages\nest_asyncio.py", line > 196, in run > ctx.run(self._callback, *self._args) > File "C:\ProgramData\Anaconda3\lib\asyncio\futures.py", line 356, in > _set_state > _copy_future_state(other, future) > File "C:\ProgramData\Anaconda3\lib\asyncio\futures.py", line 335, in > _copy_future_state > dest.set_result(result) > File "C:\ProgramData\Anaconda3\lib\asyncio\futures.py", line 237, in > set_result > self.__schedule_callbacks() > File "C:\ProgramData\Anaconda3\lib\asyncio\futures.py", line 149, in > __schedule_callbacks > self._loop.call_soon(callback, self, context=ctx) > Traceback (most recent call last): > File "C:\ProgramData\Anaconda3\lib\site-packages\nest_asyncio.py", line > 196, in run > ctx.run(self._callback, *self._args) > File "C:\ProgramData\Anaconda3\lib\asyncio\tasks.py", line 762, in > _done_callback > if outer.done(): > NameError: free variable 'outer' referenced before assignment in enclosing > scope > > After I upgraded python to 3.9.7 and overwrite task.py, a different error > (but also in asyncio stack): > > 2022-02-26 06:48:27,047 casin0: @slack algo_order.id: 13 #8 Algo tick > level > error casin0 uat <class 'RuntimeError'> Non-thread-safe operation invoked > on an event loop other than the current one Traceback (most recent call > last): > File "C:\dev\xxx.py", line 547, in xxx > await asyncio.sleep(algo.param.interval_ms / 1000) > File "C:\ProgramData\Anaconda3\lib\asyncio\tasks.py", line 651, in sleep > h = loop.call_later(delay, > File "C:\ProgramData\Anaconda3\lib\asyncio\base_events.py", line 714, in > call_later > timer = self.call_at(self.time() + delay, callback, *args, > File "C:\ProgramData\Anaconda3\lib\asyncio\base_events.py", line 727, in > call_at > self._check_thread() > File "C:\ProgramData\Anaconda3\lib\asyncio\base_events.py", line 785, in > _check_thread > raise RuntimeError( > RuntimeError: Non-thread-safe operation invoked on an event loop other than > the current one > > On Sat, Feb 26, 2022 at 2:36 PM Andrew Svetlov <rep...@bugs.python.org> > wrote: > > > > > Andrew Svetlov <andrew.svet...@gmail.com> added the comment: > > > > Also, fix is 1 week old. There are no python releases with the fix > > included yet. > > > > On Sat, Feb 26, 2022, 06:58 Norman Fung <rep...@bugs.python.org> wrote: > > > > > > > > Norman Fung <norman.lm.f...@gmail.com> added the comment: > > > > > > Thanks Jelle, let me try upgrade first. > > > > > > Norman > > > > > > On Sat, Feb 26, 2022 at 9:27 AM Jelle Zijlstra <rep...@bugs.python.org > > > > > wrote: > > > > > > > > > > > Jelle Zijlstra <jelle.zijls...@gmail.com> added the comment: > > > > > > > > 3.8 is only receiving security fixes now. Please upgrade. If you > cannot > > > > upgrade, I suggest manually applying the patch from > > > > https://github.com/python/cpython/pull/31441/files to your > > installation > > > > of Python. > > > > > > > > ---------- > > > > nosy: +Jelle Zijlstra > > > > resolution: -> out of date > > > > stage: -> resolved > > > > status: open -> closed > > > > > > > > _______________________________________ > > > > Python tracker <rep...@bugs.python.org> > > > > <https://bugs.python.org/issue46859> > > > > _______________________________________ > > > > > > > > > > ---------- > > > > > > _______________________________________ > > > Python tracker <rep...@bugs.python.org> > > > <https://bugs.python.org/issue46859> > > > _______________________________________ > > > > > > > ---------- > > > > _______________________________________ > > Python tracker <rep...@bugs.python.org> > > <https://bugs.python.org/issue46859> > > _______________________________________ > > > > ---------- > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <https://bugs.python.org/issue46859> > _______________________________________ > ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue46859> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com