gistfile1.txt

brew install meld
==> Installing dependencies for meld: gobject-introspection, gdk-pixbuf, harfbuzz, pango, atk, gtk+, pygobject, pygtk, gtksourceview, pygtksourceview, r
==> Installing meld dependency: gobject-introspection
==> Downloading http://ftp.gnome.org/pub/GNOME/sources/gobject-introspection/1.38/gobject-introspection-1.38.0.tar.xz
Already downloaded: /Library/Caches/Homebrew/gobject-introspection-1.38.0.tar.xz
==> ./configure --prefix=/usr/local/Cellar/gobject-introspection/1.38.0
==> make
./g-ir-scanner: line 29: `    def on_exception(exctype, value, tb):'
make[2]: *** [GLib-2.0.gir] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

READ THIS: https://github.com/Homebrew/homebrew/wiki/troubleshooting

These open issues may also help:
gobject-introspection failed to build on 10.9.1 (https://github.com/Homebrew/homebrew/issues/26054)
gobject-introspection failed to build on 10.9 (https://github.com/Homebrew/homebrew/issues/26217)
Enable gobject-introspection for pango (https://github.com/Homebrew/homebrew/pull/23247)
Enabe gobject-introspection for atk (https://github.com/Homebrew/homebrew/pull/23248)
gobject-introspection failed to build on 10.8.5 (https://github.com/Homebrew/homebrew/issues/24309)
New formula: gobject-introspection (https://github.com/Homebrew/homebrew/pull/4353)
gobject-introspection 1.31 (https://github.com/Homebrew/homebrew/pull/9876)