###### 安装dash_uploader时报错
###### pip install dash_uploader
###### Could not fetch URL https://pypi.tuna.tsinghua.edu.cn/simple/dash-uploader/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /simple/dash-uploader/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping
Collecting dash_uploader
Using cached http://mirrors.aliyun.com/pypi/packages/80/5a/5d047e4970738660df625138e956fbde284bb39037c96e1c88159424fa43/dash_uploader-0.6.0.tar.gz (491 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error
× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [1 lines of output]
ERROR: Can not execute setup.py since setuptools is not available in the build environment.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
###### pip install dash_uploader -i http://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn
###### 怎么能成功安装dash_uploader
pip镜像换一个试试：用阿里云的 [http://mirrors.aliyun.com/pypi/simple] 如有帮助，请给采纳哦