Ignore invalid unreachable statement

Author: haacked

posthog/client.py

@@ -1673,7 +1673,7 @@ def _compute_payload_locally(
         if self.feature_flags_by_key is None:
             return payload
 
-        flag_definition = self.feature_flags_by_key.get(key)
+        flag_definition = self.feature_flags_by_key.get(key)  # type: ignore[unreachable]
         if flag_definition:
             flag_filters = flag_definition.get("filters") or {}
             flag_payloads = flag_filters.get("payloads") or {}