[I] [Bug] [Unity] TypeError when converting TorchFX layer_norm model to TVM using from_fx [tvm]

["Thrsu (via GitHub)" <gi...@apache.org>]

Thrsu opened a new issue, #15892:
URL: https://github.com/apache/tvm/issues/15892

   I encountered a TypeError while trying to convert a TorchFX layer_norm model to TVM using the from_fx function. The error occurs in the TVM code when processing the layer_norm operation.
   
   ### Actual behavior
   
   ```
   Traceback (most recent call last):
     File "layer_norm.py", line 19, in <module>
       mod = from_fx(fx_model, input_info)
     File "/workplace/software/tvm/tvm/python/tvm/relax/frontend/torch/fx_translator.py", line 1484, in from_fx
       return TorchFXImporter().from_fx(
     File "/workplace/software/tvm/tvm/python/tvm/relax/frontend/torch/fx_translator.py", line 1371, in from_fx
       self.env[node] = self.convert_map[func_name](node)
     File "/workplace/software/tvm/tvm/python/tvm/relax/frontend/torch/fx_translator.py", line 872, in _layer_norm
       node.args[1] if type(node.args[1]) == tuple else self.env[node.args[1]]
   TypeError: unhashable type: 'immutable_list'
   ```
   ### Environment
   
   - branch: unity
   - tvm: v0.14.dev0-595-gfa0d35b
   - torch: 2.0.1
   
   ### Steps to reproduce
   
   ```python
   import torch
   from torch import fx
   from torch.nn import Module
   import tvm
   from tvm import relax
   from tvm.relax.frontend.torch import from_fx
   
   input_data = torch.randn([1, 3, 10, 10], dtype=torch.float32)
   para_1 = [10]
   para_2 = torch.randn([10], dtype=torch.float32)
   para_3 = torch.randn([10], dtype=torch.float32)
   class layer_norm(Module):
       def forward(self, input):
           return torch.nn.functional.layer_norm(input, para_1,para_2,para_3,)
   model = layer_norm().float()
   input_info = list(zip([list(inp.shape) for inp in input_data], [str(inp.dtype) for inp in input_data]))
   fx_model : torch.fx.GraphModule = fx.symbolic_trace(model)
   with torch.no_grad():
       mod = from_fx(fx_model, input_info)
   ```
   ### Triage
   
   * needs-triage
   


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Re: [I] [Bug] [Unity] TypeError when converting TorchFX layer_norm model to TVM using from_fx [tvm]

["Thrsu (via GitHub)" <gi...@apache.org>]

Thrsu closed issue #15892: [Bug] [Unity] TypeError when converting TorchFX layer_norm model to TVM using from_fx
URL: https://github.com/apache/tvm/issues/15892


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