python创建虚拟环境失败_？conda创建虚拟环境失败，如何解决？

错误代码

conda create -n pytorch-gpu-env

Solving environment: done

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

Traceback (most recent call last):

File "/opt/anaconda3/lib/python3.7/site-packages/conda/core/subdir_data.py", line 227, in _load

mod_etag_headers.get('_mod'))

File "/opt/anaconda3/lib/python3.7/site-packages/conda/core/subdir_data.py", line 574, in fetch_repodata_remote_request

raise Response304ContentUnchanged()

conda.core.subdir_data.Response304ContentUnchanged

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/opt/anaconda3/lib/python3.7/site-packages/conda/exceptions.py", line 819, in __call__

return func(*args, **kwargs)

File "/opt/anaconda3/lib/python3.7/site-packages/conda/cli/main.py", line 78, in _main

exit_code = do_call(args, p)

File "/opt/anaconda3/lib/python3.7/site-packages/conda/cli/conda_argparse.py", line 77, in do_call

exit_code = get