New submission from Henry Chen <taha...@gmail.com>:
the following script:
```
import sys, types
def tr(frame, event, arg):
print(frame, event, arg)
return tr
sys.settrace(tr)
```
gives the output:
```
<frame object at 0x106c5cd48> call None
<frame object at 0x106c5cd48> exception (<class 'GeneratorExit'>,
GeneratorExit(), <traceback object at 0x106cc1f88>)
<frame object at 0x106c5cd48> return None
```
This is due to Lib/types.py creating an async generator for the sole purpose of
getting its type. I'll remove that reference after use to prevent the above
message, which is probably benign but perhaps unnerving.
----------
components: Library (Lib)
messages: 336368
nosy: scotchka
priority: normal
severity: normal
status: open
title: clean up async generator from types module
type: behavior
versions: Python 3.8
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36091>
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