Added urllib3 version check (#547)

* Added version check

* Removed packaging

Signed-off-by: varun-edachali-dbx <[email protected]>

Author: jprakash-db

src/databricks/sql/auth/retry.py

@@ -17,7 +17,6 @@
     from urllib3 import HTTPResponse as BaseHTTPResponse
 from urllib3 import Retry
 from urllib3.util.retry import RequestHistory
-from packaging import version