text: import graphene 
  from .types import Query as SchemaQuery
  from .mutations import Mutation as MutationQuery
  import graphql_jwt
  class Query(SchemaQuery,graphene.ObjectType):
      pass
  class Mutation(MutationQuery, graphene.ObjectType):
      token_auth = graphql_jwt.token_auth = graphql_jwt.ObtainJSONWebToken.Field()
      verify_token = graphql_jwt.Verify.Field()
      refresh_token = graphql_jwt.Refresh.Field()
      
  schema = graphene.Schema(query=Query,mutation=Mutation)