mac 安装完 fish shell 以前用 pip 安装的东西都不能用了

[Loneyer]

pip install flask Requirement already satisfied: flask in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages Requirement already satisfied: click>=2.0 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from flask) Requirement already satisfied: Jinja2>=2.4 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from flask) Requirement already satisfied: Werkzeug>=0.7 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from flask) Requirement already satisfied: itsdangerous>=0.21 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from flask) Requirement already satisfied: MarkupSafe in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from Jinja2>=2.4->flask) python Python 2.7.10 (default, Jul 30 2016, 18:31:42) [GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.34)] on darwin Type "help", "copyright", "credits" or "license" for more information. from flask import Flask Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named flask

上面提示已经安装了 flask 但是却无法调用。

[Ellen]

是不是移动或者拷贝过虚拟环境？

[Loneyer]

我这没有建立虚拟环境。

[Loneyer]

@Ellen 我这没有建立虚拟环境。

[warcraft1236]

如果退出 fish 再调用正常吗？如果正常就看一下进入 fish 之后， Python 命令行下边的 path 是不是改变了，导致找不到 flask

[lcy]

检查环境变量