fix format

Signed-off-by: helenxie-bit <[email protected]>

Author: helenxie-bit

test/e2e/v1beta1/scripts/gh-actions/run-e2e-tune-api.py

@@ -7,7 +7,6 @@
 from kubeflow.katib.types.types import TrainerResources
 from kubernetes import client
 from verify import verify_experiment_results
-import os
 
 # Experiment timeout is 40 min.
 EXPERIMENT_TIMEOUT = 60 * 40