diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 792162262..000208043 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -48,7 +48,6 @@ jobs:
         working-directory: llama_stack/ui
 
       - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
-        continue-on-error: true
         env:
           SKIP: no-commit-to-branch
           RUFF_OUTPUT_FORMAT: github
diff --git a/llama_stack/providers/remote/inference/vertexai/vertexai.py b/llama_stack/providers/remote/inference/vertexai/vertexai.py
index 27f953ab9..8996543e7 100644
--- a/llama_stack/providers/remote/inference/vertexai/vertexai.py
+++ b/llama_stack/providers/remote/inference/vertexai/vertexai.py
@@ -41,7 +41,7 @@ class VertexAIInferenceAdapter(OpenAIMixin, LiteLLMOpenAIMixin):
             # Get default credentials - will read from GOOGLE_APPLICATION_CREDENTIALS
             credentials, _ = default(scopes=["https://www.googleapis.com/auth/cloud-platform"])
             credentials.refresh(google.auth.transport.requests.Request())
-            return credentials.token
+            return str(credentials.token)
         except Exception:
             # If we can't get credentials, return empty string to let LiteLLM handle it
             # This allows the LiteLLM mixin to work with ADC directly