code: def get_history_for_user(
      self, context: AuthedServiceContext, email: str
  ):
      user_service = context.node.get_service("userservice")
      result = user_service.stash.get_by_email(
          credentials=context.credentials, email=email
      )
      if result.is_ok():
          user = result.ok()
          return self.fetch_histories_for_user(
              context=context, user_verify_key=user.verify_key
          )
      return SyftError(message=result.err())
  
imports: from typing import List
  from typing import Optional
  from typing import Union
  from ...serde.serializable import serializable
  from ...store.document_store import DocumentStore
  from ...types.uid import UID
  from ...util.telemetry import instrument
  from ..code.user_code import SubmitUserCode
  from ..code.user_code import UserCode
  from ..context import AuthedServiceContext
  from ..response import SyftError
  from ..response import SyftSuccess
  from ..service import AbstractService
  from ..service import service_method
  from ..user.user_roles import DATA_OWNER_ROLE_LEVEL
  from ..user.user_roles import DATA_SCIENTIST_ROLE_LEVEL
  from .code_history import CodeHistoriesDict
  from .code_history import CodeHistory
  from .code_history import CodeHistoryView
  from .code_history import UsersCodeHistoriesDict
  from .code_history_stash import CodeHistoryStash
label_desc: Use image node_id 8 for calling the CodeHistoryService obj's underlying member method code with example usage: obj.get_history_for_user(context, email) and returns: SyftError, self