code: def get_work_spec(self, work_spec_name):
          '''Get the dictionary defining some work spec.'''
          with self.registry.lock(identifier=self.worker_id) as session:
              return session.get(WORK_SPECS, work_spec_namef get_work_spec(self, work_spec_name):
          '''Get the dictionary defining some work spec.'''
          with self.registry.lock(identifier=self.worker_id) as session:
              return session.get(WORK_SPECS, work_spec_name)
docs: Get the dictionary defining some work spec.