correctness: Don't assign anonymous functions

Author: PLNech

algoliasearch_django/models.py

@@ -11,7 +11,10 @@
 from .settings import DEBUG
 
 logger = logging.getLogger(__name__)
-_getattr = lambda object, name: getattr(object, name)
+
+
+def _getattr(obj, name):
+    return getattr(obj, name)
 
 
 def check_and_get_attr(model, name):