Cant run this project by following the instructions

[liuchengyiu]

Traceback (most recent call last):
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/streamlit/runtime/scriptrunner/script_runner.py", line 552, in _run_script
exec(code, module.dict)
File "/home/wanchengquan/data-driven-characters/app.py", line 7, in
from data_driven_characters.character import generate_character_definition, Character
File "/home/wanchengquan/data-driven-characters/data_driven_characters/character.py", line 8, in
from data_driven_characters.chains import FitCharLimit, define_description_chain
File "/home/wanchengquan/data-driven-characters/data_driven_characters/chains.py", line 45, in
class FitCharLimit(Chain):
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/main.py", line 221, in new
inferred = ModelField.infer(
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/fields.py", line 506, in infer
return cls(
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/fields.py", line 436, in init
self.prepare()
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/fields.py", line 546, in prepare
self._set_default_and_type()
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/fields.py", line 570, in _set_default_and_type
default_value = self.get_default()
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/fields.py", line 439, in get_default
return smart_deepcopy(self.default) if self.default_factory is None else self.default_factory()
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/site-packages/pydantic/v1/utils.py", line 693, in smart_deepcopy
return deepcopy(obj) # slowest way when we actually might need a deepcopy
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/copy.py", line 172, in deepcopy
y = _reconstruct(x, memo, *rv)
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/copy.py", line 270, in _reconstruct
state = deepcopy(state, memo)
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/copy.py", line 146, in deepcopy
y = copier(x, memo)
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/copy.py", line 230, in _deepcopy_dict
y[deepcopy(key, memo)] = deepcopy(value, memo)
File "/home/wanchengquan/.conda/envs/character_e/lib/python3.8/copy.py", line 161, in deepcopy
rv = reductor(4)
TypeError: cannot pickle 'classmethod' object

[guoqiaqia]

Have you solved this problem?

[ironworker4446]

bump - I'm having the same issue

[ironworker4446]

Found a workaround. Down grade langchain to version: 0.0.196