code: def test_can_init_linear(self):
      legacy_attention = Attention.from_params(
          Params(
              {"type": "linear", "tensor_1_dim": 3, "tensor_2_dim": 3}
          )
      )
      isinstance(legacy_attention, LinearAttention)
  
file_path: allennlp/tests/modules/attention/linear_attention_test.py
imports: from numpy.testing import assert_almost_equal
  import numpy
  import torch
  from torch.autograd import Variable
  from torch.nn import Parameter
  from allennlp.common import Params
  from allennlp.common.testing.test_case import AllenNlpTestCase
  from allennlp.modules.attention import LinearAttention
  from allennlp.modules.attention.attention import Attention
label_desc: Use image node_id 1 for calling the LinearAttentionTest obj's underlying member method code with example usage: obj.test_can_init_linear() without return types