feluelle commented on a change in pull request #7541: [AIRFLOW-6822] AWS hooks 
should cache boto3 client
URL: https://github.com/apache/airflow/pull/7541#discussion_r384466443
 
 

 ##########
 File path: airflow/providers/amazon/aws/hooks/base_aws.py
 ##########
 @@ -232,6 +243,23 @@ def get_resource_type(self, resource_type, 
region_name=None, config=None):
             resource_type, endpoint_url=endpoint_url, config=config, 
verify=self.verify
         )
 
+    @cached_property
+    def conn(self):
+        "Get the underlying boto3 client (cached)"
 
 Review comment:
   Would be great if you could also add a type hint for the return value. 
Either in the description or the function header.

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