Or just remove "is not None"

discord/app_commands/models.py

@@ -246,7 +246,7 @@ class AppCommand(Hashable):
         self.description_localizations: Dict[Locale, str] = _to_locale_dict(data.get('description_localizations') or {})
 
     def to_dict(self) -> ApplicationCommandPayload:
-        res = {
+        return {
             'id': self.id,
             'type': self.type.value,
             'application_id': self.application_id,
@@ -254,16 +254,10 @@ class AppCommand(Hashable):
             'description': self.description,
             'name_localizations': {str(k): v for k, v in self.name_localizations.items()},
             'description_localizations': {str(k): v for k, v in self.description_localizations.items()},
+            'contexts': self.allowed_contexts.to_array() if self.allowed_contexts else None,
+            'integration_types': self.allowed_installs.to_array() if self.allowed_installs else None,
             'options': [opt.to_dict() for opt in self.options],
-        }
-        contexts = self.allowed_contexts.to_array() if self.allowed_contexts is not None else None
-        integration_types = self.allowed_installs.to_array() if self.allowed_installs is not None else None
-        if contexts:
-            res['contexts'] = contexts
-        if integration_types:
-            res['integration_types'] = integration_types
-
-        return res  # type: ignore # Type checker does not understand this literal.
+        }  # type: ignore # Type checker does not understand this literal.
 
     def __str__(self) -> str:
         return self.name