chore: remove unused import

Author: jorwoods

test/test_custom_view.py

@@ -10,7 +10,6 @@
 import tableauserverclient as TSC
 from tableauserverclient.config import BYTES_PER_MB
 from tableauserverclient.datetime_helpers import format_datetime
-from tableauserverclient.server.endpoint.exceptions import MissingRequiredFieldError
 
 TEST_ASSET_DIR = Path(__file__).parent / "assets"