[Doc] Fix doc CI

ghstack-source-id: 5a27f91
Pull-Request-resolved: #2932

Author: Vincent Moens

.github/unittest/linux_olddeps/scripts_gym_0_13/setup_env.sh

@@ -110,7 +110,7 @@ conda env config vars set \
 # make env variables apparent
 conda deactivate && conda activate "${env_dir}"
 
-pip install pip --upgrade
+#pip install pip --upgrade
 
 conda env update --file "${this_dir}/environment.yml" --prune
 #conda install -c conda-forge fltk -y

.github/workflows/docs.yml

@@ -39,7 +39,7 @@ jobs:
         set -v
         yum makecache
         # Install Mesa and OpenGL Libraries:
-        yum install -y glfw mesa-libGL mesa-libGL-devel egl-utils freeglut mesa-libGLU mesa-libEGL
+        yum install -y glfw mesa-libGL mesa-libGL-devel egl-utils freeglut mesa-libGLU mesa-libEGL python39-pip
         # Install DRI Drivers:
         yum install -y mesa-dri-drivers
         # Install Xvfb for Headless Environments: