Traceback (most recent call last):

 "/usr/lib/python3/dist-packages/pip/basecommand.py", line 104, in main
status = self.run(options, args)

 "/usr/lib/python3/dist-packages/pip/commands/install.py", line 245, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)

 "/usr/lib/python3/dist-packages/pip/req.py", line 1009, in prepare_files
req_to_install.run_egg_info()

 "/usr/lib/python3/dist-packages/pip/req.py", line 225, in run_egg_info
command_desc='python setup.py egg_info')

 "/usr/lib/python3/dist-packages/pip/**init**.py", line 256, in call_subprocess
% (command_desc, proc.returncode, cwd))pip.exceptions.InstallationError: Command python setup.py egg_info failed with error code 1 in /home/pi/build/mutagen
Traceback (most recent call last):


 "/home/nick/workspace/quodlibet/quodlibet/quodlibet/browsers/playlists/main.py", line 407, in __drag_data_received

playlist.rename(name)


 "/home/nick/workspace/quodlibet/quodlibet/quodlibet/util/collection.py", line 414, in rename

self.name = self._validated_name(new_name)


 "/home/nick/workspace/quodlibet/quodlibet/quodlibet/util/collection.py", line 607, in _validated_name

_("A playlist named %s already exists.") % new_name)

ValueError: A playlist named foobar.m3u already exists.
```