Build deps on Windows does not work

[Angelo Graziosi]

Reading 
http://git.savannah.gnu.org/cgit/emacs.git/tree/admin/nt/dist-build/README-scripts,
 under "For snapshots from Master", I did this:

mkdir -p ~/emacs-build/deps
cd ~/emacs-build/deps

wget 
http://git.savannah.gnu.org/cgit/emacs.git/plain/admin/nt/dist-build/build-dep-zips.py

./build-dep-zips.py
Extracting deps
Initial pkgs ['mingw-w64-x86_64-giflib', 'mingw-w64-x86_64-gnutls', 
'mingw-w64-x86_64-harfbuzz', 'mingw-w64-x86_64-jansson', 
'mingw-w64-x86_64-lcms2', 'mingw-w64-x86_64-libjpeg-turbo', 
'mingw-w64-x86_64-libpng', 'mingw-w64-x86_64-librsvg', 
'mingw-w64-x86_64-libtiff', 'mingw-w64-x86_64-libxml2', 
'mingw-w64-x86_64-xpm-nox']
Traceback (most recent call last):
  File "./build-dep-zips.py", line 259, in <module>
    deps=extract_deps()
  File "./build-dep-zips.py", line 100, in extract_deps
    subdeps = immediate_deps(pkgs[n])
  File "./build-dep-zips.py", line 76, in immediate_deps
    depends_on = [x for x in package_info if x.startswith("Depends On")][0]
IndexError: list index out of range

Maybe I am missing something... but I am wondering if this is caused by recent 
Python updates on MSYS2. What do you think? 

I run 'pacman -Syu' daily.

TIA