In this video I'll show you how to fix "PIP is not recognized as an internal or external command" error. To put it bluntly, the famous 'pip install package' command line that it is recommended by the creators DOES NOT WORK: SyntaxError: invalid syntax. These mechanisms are provided by redistributors of pip, who may have modified pip to change its behaviour. 深入理解：pip 的工作机制与系统集成 When trying to install a Python package, you might encounter a SyntaxError: invalid syntax after typing pip install <package-name>. 7. 2K Jan 8, 2026 · macOS 或 Linux 中的 Terminal 集成开发环境（如 VS Code、PyCharm）内置的终端（本质仍是系统shell） 若在Python交互模式下输入 pip install requests，将报错： SyntaxError: invalid syntax，因为Python无法识别外部shell命令。 2. You should run the command in the terminal below the code editor and remove it from your code before running it. bash or PowerShell. Nov 9, 2025 · python—— pip install xxx 报错SyntaxError: invalid syntax 在安装好python后，进入python运行环境后，因为我要用 pip 安装开发Web App需要的第三方库，执行 pip install aiohttp，发现会 报错SyntaxError: invalid syntax，刚开始以为是拼写或者空格问题或者python版本问题，结果用 pip 3还是 pip install pygame is a command, not python code. Jul 13, 2017 · You must quit python and run pip install bs4 with the shell.

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