fix regression

Author: alexluck-sift

python/lib/sift_client/sift_types/_base.py

@@ -58,11 +58,12 @@ def _update(self, other: BaseType[ProtoT, SelfT]) -> BaseType[ProtoT, SelfT]:
         for key in other.__class__.model_fields.keys():
             if key in self.model_fields:
                 self.__dict__.update({key: getattr(other, key)})
-        return self
 
         # Make sure we also update the proto since it is excluded
         self.__dict__["proto"] = other.proto
 
+        return self
+
     @model_validator(mode="after")
     def _validate_timezones(self):
         """Validate datetime fiels have timezone information."""