feat(sample): use CompositeData with IP for audiences (#11)

Author: jradcliff

google/ads/datamanager_util/format.py

@@ -79,7 +79,7 @@ def format_email_address(self, email: str) -> str:
         parts = email.split("@")
         if len(parts) != 2:
             raise ValueError("Email is not of the form user@domain")
-        (user, domain) = (parts[0], parts[1])
+        user, domain = (parts[0], parts[1])
         if len(user) == 0:
             raise ValueError("Email address without the domain is empty")
         if len(domain) == 0: