fix typos

Author: ryandeivert

Diff for: aws_lambda_powertools/utilities/data_classes/kinesis_firehose_event.py

@@ -12,22 +12,22 @@ def shard_id(self) -> Optional[str]:
         return self.get("shardId")
 
     @property
-    def partition_key(self) -> Optional[str]
+    def partition_key(self) -> Optional[str]:
         """Kinesis stream partition key; present only when Kinesis Stream is source"""
         return self.get("partitionKey")
 
     @property
-    def approximate_arrival_timestamp(self) -> Optional[str]
+    def approximate_arrival_timestamp(self) -> Optional[str]:
         """Kinesis stream approximate arrival ISO timestamp; present only when Kinesis Stream is source"""
         return self.get("approximateArrivalTimestamp")
 
     @property
-    def sequence_number(self) -> Optional[str]
+    def sequence_number(self) -> Optional[str]:
         """Kinesis stream sequence number; present only when Kinesis Stream is source"""
         return self.get("sequenceNumber")
 
     @property
-    def subsequence_number(self) -> Optional[str]
+    def subsequence_number(self) -> Optional[str]:
         """Kinesis stream sub-sequence number; present only when Kinesis Stream is source
         
         Note: this will only be present for Kinesis streams using record aggregation