code: async def release_lease_async(self, lease):
          
          lease_id = None
          try:
              _logger.info("Releasing lease %r %r", self.host.guid, lease.partition_id)
              lease_id = lease.token
              released_copy = AzureBlobLease()
              released_copy.with_lease(lease)
              released_copy.token = None
              released_copy.owner = None
              released_copy.state = None
              await self.host.loop.run_in_executor(
                  self.executor,
                  functools.partial(
                      self.storage_client.create_blob_from_text,
                      self.lease_container_name,
                      lease.partition_id,
                      json.dumps(released_copy.serializable()),
                      lease_id=lease_id))
              await self.host.loop.run_in_executor(
                  self.executor,
                  functools.partial(
                      self.storage_client.release_blob_lease,
                      self.lease_container_name,
                      lease.partition_id,
                      lease_id))
          except Exception as err:  # pylint: disable=broad-except
              _logger.error("Failed to release lease %r %r %r",
                            err, lease.partition_id, lease_id)
              return False
          return True
docs: Give up a lease currently held by this host. If the lease has been stolen, or expired,
          releasing it is unnecessary, and will fail if attempted.
  
          :param lease: The stored lease to be released.
          :type lease: ~azure.eventprocessorhost.lease.Lease
          :return: `True` if the lease was released successfully, `False` if not.
          :rtype: bool