[action] [PR:15524] Fixing the import error and KeyError in snappi_test/multidut executions.

[mssonicbld]

@sdszhang : This PR attempts to fix the fixture-not-found error and KeyError that you are seeing in the snappi_test multidut runs. Pls let me know if this works for you.

[mssonicbld]

Original PR: #15524

[mssonicbld]

The pre-commit check detected issues in the files touched by this pull request.
The pre-commit check is a mandatory check, please fix detected issues.

Detailed pre-commit check results:
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check for added large files..............................................Passed
check python ast.........................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1

tests/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_basic_with_snappi.py:36:25: F811 redefinition of unused 'setup_ports_and_dut' from line 21

flake8...............................................(no files to check)Skipped
check conditional mark sort..........................(no files to check)Skipped

To run the pre-commit checks locally, you can follow below steps:

1. Ensure that default python is python3. In sonic-mgmt docker container, default python is python2. You can run
   the check by activating the python3 virtual environment in sonic-mgmt docker container or outside of sonic-mgmt
   docker container.
2. Ensure that the pre-commit package is installed:

sudo pip install pre-commit

3. Go to repository root folder
4. Install the pre-commit hooks:

pre-commit install

5. Use pre-commit to check staged file:

pre-commit

6. Alternatively, you can check committed files using:

pre-commit run --from-ref <commit_id> --to-ref <commit_id>

[sdszhang]

@rraghav-cisco the cherry-picked failed with static analysis. can you manually cherry pick the PR into 202405?

tests/snappi_tests/multidut/pfcwd/test_multidut_pfcwd_basic_with_snappi.py:36:25: F811 redefinition of unused 'setup_ports_and_dut' from line 21

[rraghav-cisco]

This PR attempts to fix the fixture-not-found error and KeyError that you are seeing in the snappi_test multidut runs. Pls let me know if this works for you.

@sdszhang , 202405 PR: #15713

[sdszhang]

close this one as it's being cherry picked manually.