ignore arg-type type check linter error

posthog/clickhouse/client/connection.py

@@ -61,7 +61,7 @@ def __exit__(self, *args):
     maxsize=settings.CLICKHOUSE_CONN_POOL_MAX,  # max number of open connection per pool
     block=True,  # makes the maxsize limit per pool, keeps connections
     num_pools=12,  # number of pools
-    ca_cert=settings.CLICKHOUSE_CA,
+    ca_cert=settings.CLICKHOUSE_CA, # type: ignore[arg-type]  #  ca_cert default value is None, but the type hint is str instead of Optional[str], https://github.com/ClickHouse/clickhouse-connect/pull/450
     verify=settings.CLICKHOUSE_VERIFY,
 )