我一直试图在笔记本上安装jupyter。我刚刚安装了python 3.7，当我尝试使用pip安装它时，会发生image。
b/python_dateutil-2.8.0-py2.py3-none-any.whl
Collecting six>=1.9.0 (from prompt-toolkit<2.1.0,>=2.0.0->jupyter-console->jupyter)
Using cached https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721cOacOecfedb80e0d88c64:
9/six-1.12.0-py2.py3-none-any.whl Collecting wcwidth (from prompt-toolkit<2.1.0,>=2.0.0->jupyter-console->jupyter)
Using cached https://files.pythonhosted.org/packages/7e/9f/526a6947247599b084ee5232e4f9190a38f398d7300d866af3ab571a5b'
e/wcwidth-0.1.7-py2.py3-none-any.whl
Collecting webencodings (from bleach->nbconvert->jupyter)
它永远卡在那儿，我在任何地方都没有看到这个问题。 发生了什么事？