Update app.py

app.py

@@ -780,7 +780,7 @@ class PlanningReflectionAgent:
         HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN")
         if not HUGGINGFACEHUB_API_TOKEN:
             raise ValueError("HUGGINGFACEHUB_API_TOKEN secret is not set! Please add it to your Space secrets.")
-        GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
+        GOOGLE_API_KEY = os.getenv("GEMINI_API_KEY")
         if not GOOGLE_API_KEY:
             raise ValueError("GOOGLE_API_KEY not set!")