fix(ingestion): dependencies - Downgrading typing-extension dependenc…

…y to work with Airflow 2.0.2 (datahub-project#4855)

* Downgrading typing-extension dependency to work with Airflow 2.0.2 restricting typing-extension on python 3.7

metadata-ingestion/setup.py

@@ -23,7 +23,9 @@ def get_long_description():
 base_requirements = {
     # Compatability.
     "dataclasses>=0.6; python_version < '3.7'",
-    "typing_extensions>=3.10.0.2",
+    # Typing extension should be >=3.10.0.2 ideally but we can't restrict due to Airflow 2.0.2 dependency conflict
+    "typing_extensions>=3.7.4.3 ;  python_version < '3.8'",
+    "typing_extensions>=3.10.0.2 ;  python_version >= '3.8'",
     "mypy_extensions>=0.4.3",
     # Actual dependencies.
     "typing-inspect",