error mugshot: setup.py

Traceback (most recent call last):
  File "setup.py", line 199, in <module>
    cmdclass={'install': InstallAndUpdateDataDirectory}
  File "/usr/lib/python3.4/site-packages/DistUtilsExtra/auto.py", line 100, in setup
    distutils.core.setup(**attrs)
  File "/usr/lib/python3.4/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/usr/lib/python3.4/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.4/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "setup.py", line 184, in run
    update_desktop_file(desktop_file, script_path)
  File "setup.py", line 106, in update_desktop_file
    for line in fin:
  File "/usr/lib/python3.4/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 92: ordinal not in range(128)

# Installed python packages:
$ sudo pacman -Qsq python
autokey-py3
gnome-python
gnome-python-desktop
gnome-python-extras
pygtk
pyorbit
pyrex
python
python-beautifulsoup4
python-cairo
python-cchardet
python-chardet
python-crypto
python-dbus
python-dbus-common
python-distutils-extra
python-gobject
python-lxml
python-packaging
python-pexpect
python-pip
python-py
python-pyinotify
python-pytest
python-pytest-runner
python-requests
python-setuptools
python-unidecode
python-xdg
python-xlib
python2
python2-atspi
python2-beaker
python2-bonobo
python2-cairo
python2-dbus
python2-distutils-extra
python2-egg
python2-gconf
python2-gnomecanvas
python2-gnomedesktop
python2-gnomekeyring
python2-gnomevfs
python2-gobject
python2-gobject2
python2-gtkspell
python2-gtop
python2-libgnome
python2-lxml
python2-mako
python2-markupsafe
python2-packaging
python2-py
python2-pytest
python2-pytest-runner
python2-rsvg
python2-setuptools
python2-totem-plparser
python2-unidecode
python2-wnck