use etcd3 instead of python-etcd. use uuid instead of increasing number.

helper.py

@@ -3,7 +3,6 @@ import requests
 
 from decouple import config
 from pyotp import TOTP
-from etcd import EtcdKeyNotFound
 
 
 def check_otp(name, realm, seed):
@@ -27,23 +26,3 @@ def check_otp(name, realm, seed):
         data=data
     )
     return response.status_code
-
-
-def get_next_id(client, path):
-    try:
-        r = client.read(path)
-    except EtcdKeyNotFound:
-        return 0
-
-    max_key_result = max(r.children, key=lambda x: int(strip_nondigit(x.key)))
-    if max_key_result is None:
-        # No key found
-        return 0
-
-    max_key = strip_nondigit(max_key_result.key.split("/")[-1])  # Get the last portion of key
-
-    return int(max_key) + 1
-
-
-def strip_nondigit(s):
-    return "".join([char for char in s if char.isdigit()])