FinRL tutorial multicrypto_trading error while executing Training part - finrl

Question

Here I want to use FinRL for crypto trading, while testing the FinRL's Crypto trading tutorial, bunch of error emerging. The environment I use is google colab, first problem is that the DRLAgent importing, finally I found the problem is version mismatch, so I keep testing, after days and nights, adjusting so many version, I face a error can't be solved. When the tutorial comes to training part
train(start_date=TRAIN_START_DATE,
end_date=TRAIN_END_DATE,
ticker_list=TICKER_LIST,
data_source='binance',
time_interval='5m',
technical_indicator_list=INDICATORS,
drl_lib='elegantrl',
env=env,
model_name='ppo',
current_working_dir='./test_ppo',
erl_params=ERL_PARAMS,
break_step=5e4,
if_vix=False
)
it indicate the line of if_vix error, assert error, so I try to modify the git clone version, but I can't adjust some of the package's version, so I gave up and asking for help
here is the colab I use: https://colab.research.google.com/drive/1Ro63lSqsH4IaLkVrHOH7XcNRM5tnY_Z-
sorry for my poor english and thanks for helping!!
package altering but
!pip install git+
can't change version
and the package inside the git also not anchored
also facing assert error, bunch of capability problem