fix handler key error

handler.py

@@ -86,6 +86,11 @@ def push_events_to_axiom(events: list):
 
 
 def data_from_event(event: dict) -> dict:
+
+    if "awslogs" not in event or "data" not in event["awslogs"]:
+        logger.warning(f"Unexpected event format: {json.dumps(event)}")
+        return {}
+
     body = base64.b64decode(event["awslogs"]["data"])
     data = gzip.decompress(body)
     return json.loads(data)
@@ -137,6 +142,8 @@ def lambda_handler(event: dict, context=None):
         raise Exception("AXIOM_DATASET is not set")
 
     data = data_from_event(event)
+    if not data:
+        return
 
     aws_fields = {
         "owner": data.get("owner"),