Conda activate not working?

As of conda 4.4, the command conda activate <envname> is the same on all platforms. The procedure to add conda to the PATH environment variable for non-Windows platforms (on Windows you should use the Anaconda Prompt), as well as the change in environment activation procedure, is detailed in the release notes for conda 4.4.0. For … Read more

Conda takes 20+ minutes to solve environment when package is already installed

A Common Problem: Suboptimal Channel Prioritization Anaconda distribution is designed and tested to use the anaconda channel (a subset of defaults) as its primary channel. Adding conda-forge in either a higher- (channel_priority: strict) or equal-priority (channel_priority: flexible) configuration opens up many of the packages to be sourced from Conda Forge instead, and this is where … Read more

conda update CondaHTTPError: HTTP None

My original answer got flagged as duplicate because I answered a similar question with the same answer, I wasn’t aware that this is not allowed. I have marked my other response as a duplicate. Hopefully, this stays up! I almost spent two days running in circles trying all the solutions I could find on the … Read more

anaconda – graphviz – can’t import after installation

The graphviz conda package is no Python package. It simply puts the graphviz files into your virtual env’s Library/ directory. Look e.g. for dot.exe in the Library/bin/ directory. To install the graphviz Python package, you can use pip: conda install pip and pip install graphviz. Always prefer conda packages if they are available over pip … Read more

How does using conda to install a package change my python version and remove conda?

Cause Changing Python versions without updating the conda package breaks Conda. . The Python version change (2.7.14 -> 3.6.8) created a situation where the new python has a new site-packages which no longer contains a conda package, whereas if you only update within 2.7.x, this wouldn’t be an issue. Conda includes both a set of … Read more