Python 3.11 Immutable errors can't be used with contextlib.contextmanager

// contextmanager.py
import contextlib
import syssys.path.append('gen-py')
from tutorial.ttypes import InvalidOperation

@contextlib.contextmanager
def example():
    yield
    return

def main():
    with example():
        raise InvalidOperation

if __name__ == "__main__":
    main() 

# Run in script in Python 3.11

py (master) $ docker run -it --rm --volume /home/katie/python/thrift:/code --workdir /code/tutorial/py python:3.11 /bin/sh -c "pip install thrift && python contextmanager.py" 
Collecting thrift
  Downloading thrift-0.16.0.tar.gz (59 kB)
[?25l     [90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[0m [32m0.0/59.6 kB[0m [31m?[0m eta [36m-:--:--[0m
[2K     [91m━━━━━━━━━━━━━━━━━━━━[0m[91m╸[0m[90m━━━━━━━━━━━━━━━━━━━[0m [32m30.7/59.6 kB[0m [31m1.2 MB/s[0m eta [36m0:00:01[0m
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[?25h  Preparing metadata (setup.py) ... [?25l- done
[?25hCollecting six>=1.7.2
  Downloading six-1.16.0-py2.py3-none-any.whl (11 kB)
Building wheels for collected packages: thrift
  Building wheel for thrift (setup.py) ... [?25l- \ | / - \ done
[?25h  Created wheel for thrift: filename=thrift-0.16.0-cp311-cp311-linux_x86_64.whl size=509416 sha256=29702930fd4c49e8f70b568ae03ab3a2a0e46ce92c620ec6a7113432fb59d9e5
  Stored in directory: /root/.cache/pip/wheels/29/6e/43/fe5a143fd6ed0ca5c385a5dba8a445de49cb3e66013095074d
Successfully built thrift
Installing collected packages: six, thrift
Successfully installed six-1.16.0 thrift-0.16.0
[33mWARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv[0m[33m
[0m
[1m[[0m[34;49mnotice[0m[1;39;49m][0m[39;49m A new release of pip available: [0m[31;49m22.3.1[0m[39;49m -> [0m[32;49m23.1.2[0m
[1m[[0m[34;49mnotice[0m[1;39;49m][0m[39;49m To update, run: [0m[32;49mpip install --upgrade pip[0m
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/contextlib.py", line 155, in __exit__
    self.gen.throw(typ, value, traceback)
  File "/code/tutorial/py/server_in_wrapper.py", line 9, in example
    yield
  File "/code/tutorial/py/server_in_wrapper.py", line 14, in main
    raise InvalidOperation
tutorial.ttypes.InvalidOperation: InvalidOperation(whatOp=None, why=None)During handling of the above exception, another exception occurred:Traceback (most recent call last):
  File "/code/tutorial/py/server_in_wrapper.py", line 17, in <module>
    main()
  File "/code/tutorial/py/server_in_wrapper.py", line 13, in main
    with example():
  File "/usr/local/lib/python3.11/contextlib.py", line 188, in __exit__
    exc.__traceback__ = traceback
    ^^^^^^^^^^^^^^^^^
  File "/code/tutorial/py/gen-py/tutorial/ttypes.py", line 160, in __setattr__
    raise TypeError("can't modify immutable instance")
TypeError: can't modify immutable instance

# Running same script in Python 3.10

py (master) $ docker run -it --rm --volume /home/katie/python/thrift:/code --workdir /code/tutorial/py python:3.10 /bin/sh -c "pip install thrift && python contextmanager.py"
Collecting thrift
  Downloading thrift-0.16.0.tar.gz (59 kB)
[?25l     [90m━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━[0m [32m0.0/59.6 kB[0m [31m?[0m eta [36m-:--:--[0m
[2K     [91m━━━━━━━━━━━━━━━━━━━━[0m[91m╸[0m[90m━━━━━━━━━━━━━━━━━━━[0m [32m30.7/59.6 kB[0m [31m1.2 MB/s[0m eta [36m0:00:01[0m
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[?25h  Preparing metadata (setup.py) ... [?25l- done
[?25hCollecting six>=1.7.2
  Downloading six-1.16.0-py2.py3-none-any.whl (11 kB)
Building wheels for collected packages: thrift
  Building wheel for thrift (setup.py) ... [?25l- \ | / - \ done
[?25h  Created wheel for thrift: filename=thrift-0.16.0-cp310-cp310-linux_x86_64.whl size=464691 sha256=33b5b5fa6663ddaa6d1a122e0a660ef23f240a1f640beed412a6425183b6f2f9
  Stored in directory: /root/.cache/pip/wheels/52/f8/d2/acfd995e8247eb0cad372fa6a640a5fcf279ab2ed7c5c4490e
Successfully built thrift
Installing collected packages: six, thrift
Successfully installed six-1.16.0 thrift-0.16.0
[33mWARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv[0m[33m
[0m
[1m[[0m[34;49mnotice[0m[1;39;49m][0m[39;49m A new release of pip is available: [0m[31;49m23.0.1[0m[39;49m -> [0m[32;49m23.1.2[0m
[1m[[0m[34;49mnotice[0m[1;39;49m][0m[39;49m To update, run: [0m[32;49mpip install --upgrade pip[0m
Traceback (most recent call last):
  File "/code/tutorial/py/server_in_wrapper.py", line 17, in <module>
    main()
  File "/code/tutorial/py/server_in_wrapper.py", line 14, in main
    raise InvalidOperation
tutorial.ttypes.InvalidOperation: InvalidOperation(whatOp=None, why=None)

 

// code placeholder
144 class InvalidOperation(TException):                                     
...
159     def __setattr__(self, *args):                                       160         raise TypeError("can't modify immutable instance")