* gnu/packages/gnome.scm (drawing): Update to 1.0.1.
[imported-modules, modules]: New arguments.
[phases]{disable-postinstall-script}: New phase.
{python-and-gi-wrap}: Simplify using the search-input-file and site-packages
procedures.
[native-inputs]: Remove labels. Add itstool and python.
[inputs]: Add bash-minimal and python.