chore: Update vertexai & rouge scorer dependencies in eval to use a proxy

PiperOrigin-RevId: 822881672

tests/unittests/evaluation/test_response_evaluator.py

@@ -16,13 +16,15 @@ from __future__ import annotations
 
 """Tests for the Response Evaluator."""
 
+from google.adk.dependencies.vertexai import vertexai
 from google.adk.evaluation.eval_case import Invocation
 from google.adk.evaluation.eval_metrics import PrebuiltMetrics
 from google.adk.evaluation.evaluator import EvalStatus
 from google.adk.evaluation.response_evaluator import ResponseEvaluator
 from google.genai import types as genai_types
 import pytest
-from vertexai import types as vertexai_types
+
+vertexai_types = vertexai.types
 
 
 class TestResponseEvaluator:

tests/unittests/evaluation/test_safety_evaluator.py

@@ -14,13 +14,15 @@
 
 """Tests for the Response Evaluator."""
 
+from google.adk.dependencies.vertexai import vertexai
 from google.adk.evaluation.eval_case import Invocation
 from google.adk.evaluation.eval_metrics import EvalMetric
 from google.adk.evaluation.eval_metrics import PrebuiltMetrics
 from google.adk.evaluation.evaluator import EvalStatus
 from google.adk.evaluation.safety_evaluator import SafetyEvaluatorV1
 from google.genai import types as genai_types
-from vertexai import types as vertexai_types
+
+vertexai_types = vertexai.types
 
 
 class TestSafetyEvaluatorV1:

tests/unittests/evaluation/test_vertex_ai_eval_facade.py

@@ -18,12 +18,14 @@ from __future__ import annotations
 import math
 import random
 
+from google.adk.dependencies.vertexai import vertexai
 from google.adk.evaluation.eval_case import Invocation
 from google.adk.evaluation.evaluator import EvalStatus
 from google.adk.evaluation.vertex_ai_eval_facade import _VertexAiEvalFacade
 from google.genai import types as genai_types
 import pytest
-from vertexai import types as vertexai_types
+
+vertexai_types = vertexai.types
 
 
 class TestVertexAiEvalFacade: