ashb commented on a change in pull request #18447:
URL: https://github.com/apache/airflow/pull/18447#discussion_r720144074
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File path: airflow/providers/amazon/aws/hooks/redshift.py
##########
@@ -15,10 +15,19 @@
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
-"""Interact with AWS Redshift, using the boto3 library."""
+"""Interact with AWS Redshift, using the boto3 or redshift_connector
library."""
-from typing import List, Optional
+from typing import Dict, List, Optional, Union
+try:
+ from functools import cached_property
+except ImportError:
+ from cached_property import cached_property
Review comment:
```suggestion
from airflow.compat.functools import cached_property
```
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