FIX: extends typing-extensions to be installed with python 3.8+ #21566

setup.cfg

@@ -163,7 +163,9 @@ install_requires =
     tabulate>=0.7.5
     tenacity>=6.2.0
     termcolor>=1.1.0
-    typing-extensions>=3.7.4;python_version<"3.8"
+    # typing-extensions can be removed under two scenarios: dropping support for python 3.7
+    # or bumping the minimum version of airflow for providers to 2.2.* which would allow the use of airflow.typing_compat
+    typing-extensions>=3.7.4
     unicodecsv>=0.14.1
     # Werkzeug is known to cause breaking changes and it is very closely tied with FlaskAppBuilder and other
     # Flask dependencies and the limit to 1.* line should be reviewed when we upgrade Flask and remove