Update app.py

app.py

@@ -18,8 +18,8 @@ if "DATA_REPO" in os.environ:
     REPO_NAME = os.getenv("DATA_REPO")
 else:
     print("DATA_REPO not found in environment variables.")
-if "LLAMA_DATA_FILES" in os.environ:
-    DATA_FILES = os.getenv("LLAMA_DATA_FILES")
+if "GEMINI_DATA_FILES" in os.environ:
+    DATA_FILES = os.getenv("GEMINI_DATA_FILES")
 else:
     print("LLAMA_DATA_FILES not found in environment variables.")