code: async def delete_lease_async(self, lease):
          
          await self.host.loop.run_in_executor(
              self.executor,
              functools.partial(
                  self.storage_client.delete_blob,
                  self.lease_container_name,
                  lease.partition_id,
                  lease_id=lease.token))
docs: Delete the lease info for the given partition from the store.
          If there is no stored lease for the given partition, that is treated as success.
  
          :param lease: The stored lease to be deleted.
          :type lease: ~azure.eventprocessorhost.lease.Lease