fix(vertex_ai): lint issues solved

litellm/llms/vertex_ai/common_utils.py

@@ -1,7 +1,7 @@
 import re
 from copy import deepcopy
 from enum import Enum
-from typing import Any, Literal, List, get_type_hints
+from typing import Any, Literal, get_type_hints
 
 import httpx
 
@@ -495,7 +495,7 @@ def normalize_gemini_model_path(model: str) -> str:
     return f"models/{model}"
 
 
-def _check_text_in_content(parts: List[PartType]) -> bool:
+def _check_text_in_content(parts: list[PartType]) -> bool:
     """
     check that user_content has 'text' parameter.
         - Known Vertex Error: Unable to submit request because it must have a text parameter.

litellm/llms/vertex_ai/vertex_llm_base.py

@@ -638,7 +638,8 @@ class VertexBase:
                 # For Gemini (Google AI Studio), construct the full path like other providers
                 if model is None:
                     raise ValueError("Model parameter is required for Gemini custom API base URLs")
-                url = "{}/{}:{}".format(api_base, normalize_gemini_model_path(model), endpoint)
+                # url = "{}/{}:{}".format(api_base, normalize_gemini_model_path(model), endpoint)
+                url = f"{api_base}/{normalize_gemini_model_path(model)}:{endpoint}"
                 if gemini_api_key is None:
                     raise ValueError(
                         "Missing Gemini API key. Set the GEMINI_API_KEY or GOOGLE_API_KEY environment variable."