fix: remove trailing whitespace in 02-router-classification-test.py

Remove trailing whitespace from lines 239, 297, and 298 to pass
pre-commit checks.

Signed-off-by: Yossi Ovadia <[email protected]>

Author: yossiovadia

e2e-tests/02-router-classification-test.py

@@ -236,7 +236,7 @@ def test_category_classification(self):
                 400,
                 f"{test_case['name']} request failed with status {response.status_code}",
             )
-            
+
             self.assertEqual(
                 actual_model,
                 expected_model,
@@ -294,8 +294,8 @@ def test_classifier_metrics(self):
         )
 
         self.assertGreater(
-            metrics_found, 
-            0, 
+            metrics_found,
+            0,
             f"No router metrics found. Expected at least one of: {', '.join(classification_metrics)}"
         )