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pythonpipconda

Conda: packages are already installed by pip but not shown in conda list

I use pip install packages in a conda environment.

pip install pygame
Requirement already satisfied: pygame in ./anaconda3/lib/python3.6/site-packages (1.9.4)

where the current directory is /Users/aptx4869. However, when I type conda list, there is nothing in the current environment. What's wrong with it? Here's the directory where the environment is at

/Users/aptx4869/anaconda3/envs/rl

Update

I delete the pygame in the root environment and run pip install pygame in the rl conda environment, I receive another message. But pygame still doesn't show in conda list

 pip install pygame
Collecting pygame
  Using cached https://files.pythonhosted.org/packages/bc/19/57bf1e9c72be4f7afc1add56cc717b7f7fe8ef1b6b5fb58f031a06401d0f/pygame-1.9.4-cp36-cp36m-macosx_10_11_intel.whl
Installing collected packages: pygame
Successfully installed pygame-1.9.4
(rl)

Notice (rl) in the end, this pip command still installs pygame in the root environment

Solution

  • The reason is simply because I didn't install python and pip in the dl environment, and conda implicitly uses python and pip in the root environment as I command pip install ...