1. 设置VPN（Proxy）
   报错ssl相关pip错误：

pip install --proxy=http://127.0.0.1:7897 <package-name>
也可以一次配置：pip config set global.proxy http://127.0.0.1:port

pip config list查看当前配置

2. 取消VPN设置（有时候使用一些脚本会报错）
   报错如下：

Traceback (most recent call last):
  File "/media/c303-2/DATA1/cuiy/pyProj/StableDiffusionNew/lora-scripts/mikazuki/dataset-tag-editor/scripts/launch.py", line 101, in <module>
    import interface
  File "/media/c303-2/DATA1/cuiy/pyProj/StableDiffusionNew/lora-scripts/mikazuki/dataset-tag-editor/scripts/interface.py", line 12, in <module>
    import gradio as gr
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/__init__.py", line 3, in <module>
    import gradio.components as components
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/components/__init__.py", line 1, in <module>
    from gradio.components.annotated_image import AnnotatedImage
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/components/annotated_image.py", line 13, in <module>
    from gradio.components.base import IOComponent, _Keywords
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/components/base.py", line 29, in <module>
    from gradio.blocks import Block, BlockContext
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/blocks.py", line 28, in <module>
    from gradio import (
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/networking.py", line 20, in <module>
    from gradio.routes import App
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/gradio/routes.py", line 99, in <module>
    client = httpx.AsyncClient()
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/httpx/_client.py", line 1395, in __init__
    proxy_map = self._get_proxy_map(proxies, allow_env_proxies)
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/httpx/_client.py", line 216, in _get_proxy_map
    return {
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/httpx/_client.py", line 217, in <dictcomp>
    key: None if url is None else Proxy(url=url)
  File "/usr/local/anaconda3/envs/lora_env/lib/python3.10/site-packages/httpx/_config.py", line 336, in __init__
    raise ValueError(f"Unknown scheme for proxy URL {url!r}")

禁用代理：

unset HTTP_PROXY HTTPS_PROXY NO_PROXY ALL_PROXY
unset http_proxy https_proxy no_proxy all_proxy