updated the code

app.py

@@ -117,11 +117,11 @@ def chat(chat_message: ChatMessage, user: dict = Depends(get_current_user)):
 
 # Gradio interface for sign-up and login
 def sign_up_interface(username, password):
-    response = requests.post(f"http://localhost:8000/signup", json={"username": username, "password": password})
+    response = requests.post("/signup", json={"username": username, "password": password})
     return response.json()
 
 def log_in_interface(username, password):
-    response = requests.post(f"http://localhost:8000/token", data={"username": username, "password": password})
+    response = requests.post("/token", data={"username": username, "password": password})
     if response.status_code == 200:
         token = response.json()["access_token"]
         return token