fix: nits

Author: exaby73

src/firebase_functions/core.py

@@ -98,8 +98,6 @@ def init(callback: _typing.Callable[[], _typing.Any]) -> None:
     global _did_init
     global _init_callback
 
-    _init_callback = callback
-
     if _did_init:
         _logger.warn(
             "Setting init callback more than once. Only the most recent callback will be called"

tests/test_identity_fn.py

@@ -59,6 +59,6 @@ def init():
                 ).get_environ()
                 request = Request(environ)
                 decorated_func = identity_fn.before_user_signed_in()(func)
-                print(decorated_func(request))
+                decorated_func(request)
 
         self.assertEqual("world", hello)