fix: removing io error when logging to closed streams

[germa89]

Description

Attemp to get rid of:

--- Logging error ---
Traceback (most recent call last):
  File "/__t/Python/3.10.14/x64/lib/python3.10/logging/__init__.py", line 1103, in emit
    stream.write(msg + self.terminator)
ValueError: I/O operation on closed file.
Call stack:
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 973, in _bootstrap
    self._bootstrap_inner()
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
    self.run()
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 953, in run
    self._target(*self._args, **self._kwargs)
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/pool.py", line 907, in _spawn_mapdl
    self._instances[index] = launch_mapdl(
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 1795, in launch_mapdl
    port, actual_run_location, process = launch_grpc(
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 627, in launch_grpc
    LOG.debug("Checking if gRPC server is alive.")
Message: 'Checking if gRPC server is alive.'
Arguments: ()
--- Logging error ---
Traceback (most recent call last):
  File "/__t/Python/3.10.14/x64/lib/python3.10/logging/__init__.py", line 1103, in emit
    stream.write(msg + self.terminator)
ValueError: I/O operation on closed file.
Call stack:
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 973, in _bootstrap
    self._bootstrap_inner()
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
    self.run()
  File "/__t/Python/3.10.14/x64/lib/python3.10/threading.py", line 953, in run
    self._target(*self._args, **self._kwargs)
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/pool.py", line 907, in _spawn_mapdl
    self._instances[index] = launch_mapdl(
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 1795, in launch_mapdl
    port, actual_run_location, process = launch_grpc(
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 628, in launch_grpc
    _check_server_is_alive(stdout_queue, run_location, timeout)
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 695, in _check_server_is_alive
    LOG.debug(f"MAPDL gRPC server successfully launched at: {listening_on}")
Message: 'MAPDL gRPC server successfully launched at: 0.0.0.0:50056'
Arguments: ()
--- Logging error ---
Traceback (most recent call last):
  File "/__t/Python/3.10.14/x64/lib/python3.10/logging/__init__.py", line 1103, in emit
    stream.write(msg + self.terminator)
ValueError: I/O operation on closed file.
Call stack:
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/mapdl_core.py", line 2267, in __del__
    self.exit()
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/errors.py", line 384, in wrapper
    return function(self, *args, **kwargs)
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/mapdl_grpc.py", line 1020, in exit
    if not get_start_instance():
  File "/__t/Python/3.10.14/x64/lib/python3.10/site-packages/ansys/mapdl/core/launcher.py", line 820, in get_start_instance
    LOG.debug(
Message: 'PYMAPDL_START_INSTANCE is unset. Using default value True.'
Arguments: ()

Issue linked

NA

Checklist

• I have visited and read Develop PyMAPDL.
• I have tested my changes locally
• I have added necessary documentation or updated existing documentation.
• I have followed the PyMAPDL coding style guidelines.
• [] I have added appropriate unit tests that also ensure the minimal coverage criteria.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have marked this PR as draft if it is not ready to be reviewed yet.
• I have made sure that the title of my PR follows Commit naming conventions (e.g. feat: adding new MAPDL command)

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[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 87.13%. Comparing base (03f722e) to head (b917af5).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3273      +/-   ##
==========================================
- Coverage   88.22%   87.13%   -1.09%     
==========================================
  Files          53       55       +2     
  Lines        9670     9768      +98     
==========================================
- Hits         8531     8511      -20     
- Misses       1139     1257     +118     

[germa89]

@pyansys-ci-bot LGTM.

[pyansys-ci-bot]

✅ Approving this PR because germa89 said so in here 😬