code: def get_all_by_user_verify_key(
      self, credentials: SyftVerifyKey, user_verify_key: SyftVerifyKey
  ) -> Result[List[UserPolicy], str]:
      qks = QueryKeys(
          qks=[
              PolicyUserVerifyKeyPartitionKey.with_obj(user_verify_key)
          ]
      )
      return self.query_one(credentials=credentials, qks=qks)
  
file_path: PySyft/packages/syft/src/syft/service/policy/user_policy_stash.py
imports: from typing import List
  from result import Result
  from ...node.credentials import SyftVerifyKey
  from ...serde.serializable import serializable
  from ...store.document_store import BaseUIDStoreStash
  from ...store.document_store import DocumentStore
  from ...store.document_store import PartitionSettings
  from ...store.document_store import QueryKeys
  from .policy import PolicyUserVerifyKeyPartitionKey
  from .policy import UserPolicy
label_desc: Use image node_id 2 for calling the UserPolicyStash obj's underlying member method code with example usage: obj.get_all_by_user_verify_key(credentials, user_verify_key) and returns: self