Update app.py

Making GeminiAgent the main agent

app.py

@@ -32,13 +32,13 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
 
     # 1. Instantiate Agent (modify this part to create your agent)
     try:
-        agent = BasicAgent()
-        agent_type = "BasicAgent"
+        agent = GeminiAgent()
+        agent_type = "GeminiAgent"
     except Exception as main_agent_error:
         print(f"{agent_type} failed to initialize: {main_agent_error}.")
         try:
-            agent = "GeminiAgent"
-            agent_type = GeminiAgent()
+            agent = BasicAgent()
+            agent_type = "BasicAgent"
             print(f"Falling back to {agent_type}.")
         except Exception as secondary_agent_error:
             print(f"{agent_type} failed to initialize: {secondary_agent_error}.")