code: def DeserializeForImport(self, reader):
          
          super(Block, self).Deserialize(reader)
  
          self.Transactions = []
          transaction_length = reader.ReadVarInt()
  
          for i in range(0, transaction_length):
              tx = Transaction.DeserializeFrom(reader)
              self.Transactions.append(tx)
  
          if len(self.Transactions) < 1:
              raise Exception('Invalid format %s ' % self.Index)
docs: Deserialize full object.
  
          Args:
              reader (neo.IO.BinaryReader):