Minor: Fix lint failure

[TheNeuralBit]

Fix lint failure from #22616

GitHub Actions Tests Status (on master branch)

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[TheNeuralBit]

R: @svetakvsundhar

[github-actions]

Stopping reviewer notifications for this pull request: review requested by someone other than the bot, ceding control

[codecov]

Codecov Report

Merging #22998 (76540cf) into master (7153c21) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #22998   +/-   ##
=======================================
  Coverage   73.68%   73.69%           
=======================================
  Files         714      714           
  Lines       95219    95219           
=======================================
+ Hits        70165    70168    +3     
+ Misses      23757    23754    -3     
  Partials     1297     1297           

Flag	Coverage Δ
python	83.51% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...n/apache_beam/ml/gcp/recommendations_ai_test_it.py	73.46% <0.00%> (-2.05%)	⬇️
sdks/python/apache_beam/internal/metrics/metric.py	93.00% <0.00%> (-1.00%)	⬇️
...eam/runners/portability/fn_api_runner/execution.py	92.44% <0.00%> (-0.65%)	⬇️
...on/apache_beam/runners/dataflow/dataflow_runner.py	82.87% <0.00%> (-0.14%)	⬇️
...hon/apache_beam/runners/worker/bundle_processor.py	93.67% <0.00%> (+0.12%)	⬆️
...eam/runners/interactive/interactive_environment.py	92.02% <0.00%> (+0.30%)	⬆️
...ks/python/apache_beam/runners/worker/sdk_worker.py	89.41% <0.00%> (+0.47%)	⬆️
...che_beam/runners/interactive/interactive_runner.py	91.39% <0.00%> (+1.32%)	⬆️
sdks/python/apache_beam/utils/interactive_utils.py	97.56% <0.00%> (+2.43%)	⬆️
.../python/apache_beam/testing/test_stream_service.py	92.85% <0.00%> (+4.76%)	⬆️

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[svetakvsundhar]

lgtm