Onno Eberhard

Commenting because I switched account (I opened this issue).

This is just a different convention, the real part is $w$, so that the quaternion is $w + xi + yj + zk$. See also the following paragraph from the...

I get a very similar error when trying to import `mujoco_py`: ``` running build_ext building 'mujoco_py.cymj' extension /usr/local/bin/gcc-8 -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -iwithsysroot/System/Library/Frameworks/System.framework/PrivateHeaders -iwithsysroot/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/Headers...

@Nicolas99-9 > I have the same problem. Could you fix it ? Alas, no. I had to go with a Linux VM..

Somewhat related: the description of the maze environments says `the returned reward is the negative Euclidean distance between the achieved goal position and the desired goal`. This is wrong (it...