code: def validate(self) -> bool:
      input_op_data = self.op_data["input"]
      other_op_data = self.op_data["other"]
      assert (
          input_op_data.data.dim() == 1
          and other_op_data.data.dim() == 1
      )
  
imports: import operator
  from functools import reduce
  from typing import List
  from colossalai.auto_parallel.tensor_shard.options import SolverPerference
  from colossalai.auto_parallel.tensor_shard.sharding_strategy import CommType, MemoryCost, ShardingStrategy, TrainCycleItem
  from colossalai.auto_parallel.tensor_shard.utils import ignore_sharding_exception
  from colossalai.tensor.shape_consistency import CollectiveCommPattern
  from .strategy_generator import StrategyGenerator
label_desc: Use image node_id 1 for calling the DotProductStrategyGenerator obj's underlying member method code with example usage: obj.validate() without return types