fix imports

Author: aaronsteers

airbyte_cdk/sources/utils/schema_helpers.py

@@ -13,7 +13,8 @@
 from jsonschema import validate
 from jsonschema.exceptions import ValidationError
 from pydantic.v1 import BaseModel, Field
-from referencing import Registry, Resource, Resolver
+from referencing import Registry, Resource
+from referencing._core import Resolver  # used for type hints
 from referencing.jsonschema import DRAFT7
 
 from airbyte_cdk.models import ConnectorSpecification, FailureType

airbyte_cdk/sources/utils/transform.py

@@ -7,7 +7,8 @@
 from typing import Any, Callable, Dict, Generator, Mapping, Optional, cast
 
 from jsonschema import Draft7Validator, ValidationError, Validator, validators
-from referencing import Registry, Resource, Resolver
+from referencing import Registry, Resource
+from referencing._core import Resolver  # used for type hints
 from referencing.jsonschema import DRAFT7
 
 MAX_NESTING_DEPTH = 3