style: apply formatting fixes to hybrid RefResolver implementation

Co-Authored-By: AJ Steers <[email protected]>

Author: devin-ai-integration[bot]

airbyte_cdk/sources/utils/transform.py

@@ -209,7 +209,7 @@ def resolve(subschema: dict[str, Any]) -> dict[str, Any]:
                         try:
                             if (
                                 hasattr(validator_instance, "resolver")
-                                and validator_instance.resolver
+                                and validator_instance.resolver is not None
                             ):
                                 _, resolved = cast(
                                     RefResolver, validator_instance.resolver
@@ -218,7 +218,6 @@ def resolve(subschema: dict[str, Any]) -> dict[str, Any]:
                         except Exception:
                             pass
 
-                    # If both approaches fail, return the original subschema
                     return subschema
                 return subschema