Install improvements

install/11-python.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 source "$(dirname $0)/utils.sh"
+export PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring
 
 # python3 and pip3 are installed
 if not_installed "pip3"; then
@@ -8,9 +9,11 @@ if not_installed "pip3"; then
 
     pyenv install 3.7.0
     pyenv global 3.7.0
+    refresh
 
 fi
 echo "python3 and pip3 are installed, upgrading..."
+pip install --upgrade pip
 pip3 install --upgrade pip
 python3 --version
 pip3 --version