SDK-1615: Export ThirdPartyAttributeExtension

Author: davidgrayston

yoti_python_sdk/dynamic_sharing_service/extension/__init__.py

@@ -1,9 +1,11 @@
 from .extension_builder import ExtensionBuilder
 from .location_constraint_extension_builder import LocationConstraintExtensionBuilder
 from .transactional_flow_extension_builder import TransactionalFlowExtensionBuilder
+from .third_party_attribute_extension import ThirdPartyAttributeExtension
 
 __all__ = [
     "ExtensionBuilder",
     "LocationConstraintExtensionBuilder",
     "TransactionalFlowExtensionBuilder",
+    "ThirdPartyAttributeExtension",
 ]