ref: fix typing of sentry.identity.vsts.provider (#62546)

<!-- Describe your PR here. -->

pyproject.toml

@@ -295,7 +295,6 @@ module = [
     "sentry.identity.pipeline",
     "sentry.identity.providers.dummy",
     "sentry.identity.slack.provider",
-    "sentry.identity.vsts.provider",
     "sentry.incidents.endpoints.bases",
     "sentry.incidents.endpoints.organization_alert_rule_details",
     "sentry.incidents.endpoints.organization_alert_rule_index",

src/sentry/identity/vsts/provider.py

@@ -70,7 +70,7 @@ class VSTSIdentityProvider(OAuth2Provider):
         return {"Content-Type": "application/x-www-form-urlencoded", "Content-Length": "1654"}
 
     def get_refresh_token_params(self, refresh_token, *args, **kwargs):
-        identity = kwargs.get("identity")
+        identity = kwargs["identity"]
         client_secret = options.get("vsts.client-secret")
 
         # The token refresh flow does not operate within a pipeline in the same way