added try/except around etcdclient.read to cater if EtcdKeyNotFound

helper.py

@@ -3,7 +3,7 @@ import requests
 
 from decouple import config
 from pyotp import TOTP
-
+from etcd import EtcdKeyNotFound
 
 def check_otp(name, realm, seed):
     try:
@@ -29,7 +29,10 @@ def check_otp(name, realm, seed):
 
 
 def get_next_id(client, path):
-    r = client.read(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: