如何修复 python-notebook 的 conda 规范 unsatisfiableError?

How do I fix conda specification unsatisfiableError for python-notebook?

conda install ipython-notebook
Fetching package metadata .............
Solving package specifications: .

UnsatisfiableError: The following specifications were found to be in conflict:
  - ipython-notebook -> ipython 0.13.2 -> python 2.6*
  - python 3.6*

我尝试了来自 Link 1 的命令。却无法解决。 这就是 opencv 链接所说的内容。

$ conda install -c conda-forge opencv

  - opencv -> python 2.7*
  - python 3.6*

您正在尝试安装仅适用于 Python 2.6 (ipython-notebook) 的软件包。如果您想要最新版本的 Jupyter Notebook,则该软件包名为 notebook.

至于 opencv,该错误消息表示 opencv 不适用于 Python 3.6。