argon2: fixes for mypy

radicale/auth/htpasswd.py

@@ -218,7 +218,7 @@ class Auth(auth.BaseAuth):
         else:
             return self._plain(hash_value, password)
 
-    def _read_htpasswd(self, init: bool, suppress: bool) -> Tuple[bool, int, dict, int, int]:
+    def _read_htpasswd(self, init: bool, suppress: bool) -> Tuple[bool, int, int, dict, int, int]:
         """Read htpasswd file
 
         init == True: stop on error