Make etag Optional on S3EventNotificationObjectModel

Author: benjamingorman

aws_lambda_powertools/utilities/data_classes/s3_event.py

@@ -37,9 +37,9 @@ def size(self) -> str:
         return self["size"]
 
     @property
-    def etag(self) -> str:
+    def etag(self) -> Optional[str]:
         """Object etag"""
-        return self["etag"]
+        return self.get("etag")
 
     @property
     def version_id(self) -> str:

aws_lambda_powertools/utilities/parser/models/s3.py

@@ -61,7 +61,7 @@ class S3Message(BaseModel):
 class S3EventNotificationObjectModel(BaseModel):
     key: str
     size: Optional[NonNegativeFloat] = None
-    etag: str
+    etag: Optional[str]
     version_id: str = Field(None, alias="version-id")
     sequencer: Optional[str] = None