fix 2

main.py

@@ -90,6 +90,7 @@ def generate_numeric_user_id(length=16):
 
   # Generate a numeric ID with the specified length
   numeric_id = str(uuid_int)[-length:] 
+  print(numeric_id)
 
   return numeric_id
 
@@ -142,7 +143,7 @@ async def signup(request: SignupRequest):
         )
 
     user_data = {
-        "user_id": int(generate_numeric_user_id()),
+        "user_id": generate_numeric_user_id(),
         "username": request.username,
         "password": hash_password(request.password),
         "email": request.email,