How to solve the problem: hydra. Errors. InstantiationException:

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Traceback (most recent call last):
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\utils.py", line 644, in _locate
obj = getattr(obj, part)
AttributeError: module 'model_training.model' has no attribute 'fear_net'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\utils.py", line 650, in locate
obj = import_module(mod)
File "D:\Anaconda3\envs\feartracker\lib\importlib_init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 1014, in _gcd_import
File "", line 991, in _find_and_load
File "", line 975, in _find_and_load_unlocked
File "", line 671, in _load_unlocked
File "", line 843, in exec_module
File "", line 219, in _call_with_frames_removed
File "g:\vot\FEARTracker\model_training\model\fear_net.py", line 6, in
from model_training.model.blocks import Encoder, AdjustLayer, BoxTower
File "g:\vot\FEARTracker\model_training\model\blocks.py", line 5, in
from mobile_cv.model_zoo.models.fbnet_v2 import fbnet
ModuleNotFoundError: No module named 'mobile_cv'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\instantiate_instantiate2.py", line 134, in _resolve_target
target = _locate(target)
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\utils.py", line 653, in _locate
raise ImportError(
ImportError: Error loading 'model_training.model.fear_net.FEARNet':
ModuleNotFoundError("No module named 'mobile_cv'")
Are you sure that 'fear_net' is importable from module 'model_training.model'?

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "g:\vot\FEARTracker\demo_video.py", line 62, in
Fire(main)
File "D:\Anaconda3\envs\feartracker\lib\site-packages\fire\core.py", line 141, in Fire
component_trace = _Fire(component, args, parsed_flag_args, context, name)
File "D:\Anaconda3\envs\feartracker\lib\site-packages\fire\core.py", line 475, in _Fire
component, remaining_args = _CallAndUpdateTrace(
File "D:\Anaconda3\envs\feartracker\lib\site-packages\fire\core.py", line 691, in _CallAndUpdateTrace
component = fn(*varargs, **kwargs)
File "g:\vot\FEARTracker\demo_video.py", line 52, in main
tracker = get_tracker(config_path=config_path, config_name=config_name, weights_path=weights_path)
File "g:\vot\FEARTracker\demo_video.py", line 16, in get_tracker
model = instantiate(config["model"])
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\instantiate_instantiate2.py", line 226, in instantiate
return instantiate_node(
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\instantiate_instantiate2.py", line 333, in instantiate_node
target = _resolve_target(node.get(_Keys.TARGET), full_key)
File "D:\Anaconda3\envs\feartracker\lib\site-packages\hydra_internal\instantiate_instantiate2.py", line 139, in _resolve_target
raise InstantiationException(msg) from e
hydra.errors.InstantiationException: Error locating target 'model_training.model.fear_net.FEARNet', set env var HYDRA_FULL_ERROR=1 to see chained exception.