Update app.py

app.py

@@ -154,7 +154,8 @@ def retrieve_document(query):
     if response.status_code == 200:
         with open(filename, "wb") as f:
             f.write(response.content)
-        print(f"File downloaded successfully: {filename}")
+
+        print(f"PDF received successfully: received_{filename}")
     else:
         print(f"Error: {response.status_code}, {response.json()}")