test.py

import torch

@torch.jit.script
class MyClass(object):
    def my_method(self):
        # type: () -> Tensor
        return torch.randn(10)

@torch.jit.ignore
def mod_init():
    return MyClass()

@torch.jit.script
def test_script_mod():
    # type: () -> Tensor
    res = mod_init()
    return res.my_method()
    
========
RuntimeError: 
Tried to access nonexistent attribute or method 'my_method' of type 'Tensor'.:
  File "/home/wanchaol/test_script.py", line 34
    # type: () -> Tensor
    res = mod_init()
    return res.my_method()
           ~~~~~~~~~~~~~ <--- HERE