Update app.py

app.py

@@ -28,7 +28,7 @@ logger = logging.getLogger(__name__)
 # --- Configuration ---
 CUSTOM_API_BASE_URL_DEFAULT = "https://api-q3ieh5raqfuad9o8.aistudio-app.com/v1"
 CUSTOM_API_MODEL_DEFAULT = "gemma3:27b"
-DEFAULT_GEMINI_MODEL = "gemini-1.5-flash-latest"
+DEFAULT_GEMINI_MODEL = "gemini-2.0-flash"
 GEMINI_REQUEST_TIMEOUT_SECONDS = 300
 
 # --- In-Memory Task Storage ---
@@ -319,7 +319,7 @@ async def submit_gemini_task(request: GeminiTaskRequest, background_tasks: Backg
 
     gemini_api_key_from_request = request.api_key
     gemini_api_key_secret = os.getenv("GEMINI_API_KEY")
-    key_to_use = gemini_api_key_from_request or gemini_api_key_secret
+    key_to_use = gemini_api_key_from_request
 
     if not key_to_use:
         logger.error(f"[Task {task_id}] Gemini API Key missing for task submission.")