fix: skip restricted key check when key is not a string

Fixes #179

src/pydash/helpers.py

@@ -188,6 +188,8 @@ def _base_get_object(obj, key, default=UNSET):
 
 
 def _raise_if_restricted_key(key):
+    if not isinstance(key, str):
+        return
     # Prevent access to dunder-methods since this could expose access to globals through leaky
     # attributes such as obj.__init__.__globals__.
     if len(key) > 4 and key.isascii() and key.startswith("__") and key.endswith("__"):

tests/test_objects.py

@@ -368,6 +368,7 @@ def test_for_in_right(case, expected):
         (({object: 1}, object), 1),
         (({object: {object: 1}}, [object, object]), 1),
         (({1: {"name": "John Doe"}}, "1.name"), "John Doe"),
+        ((helpers.Object(), "[0].field"), None),
     ],
 )
 def test_get(case, expected):