egg_info failed with error code 1

[toast216]

raph@raph-VirtualBox:~/universe$ pip install -e .Obtaining file:///home/raph/universe
Complete output from command python setup.py egg_info:
running egg_info
writing requirements to universe.egg-info/requires.txt
writing universe.egg-info/PKG-INFO
writing top-level names to universe.egg-info/top_level.txt
writing dependency_links to universe.egg-info/dependency_links.txt
warning: manifest_maker: standard file '-c' not found

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/raph/universe/setup.py", line 26, in <module>
    'atari': 'gym[atari]',
  File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 186, in run
    self.find_sources()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 209, in find_sources
    mm.run()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 293, in run
    self.add_defaults()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/egg_info.py", line 322, in add_defaults
    sdist.add_defaults(self)
  File "/usr/lib/python2.7/dist-packages/setuptools/command/sdist.py", line 127, in add_defaults
    for _, src_dir, _, filenames in build_py.data_files:
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 65, in __getattr__
    self.data_files = self._get_data_files()
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 79, in _get_data_files
    return list(map(self._get_pkg_data_files, self.packages or ()))
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 91, in _get_pkg_data_files
    for file in self.find_data_files(package, src_dir)
  File "/usr/lib/python2.7/dist-packages/setuptools/command/build_py.py", line 98, in find_data_files
    + self.package_data.get(package, []))
TypeError: can only concatenate list (not "str") to list

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /home/raph/universe/

[jeremyschlatter]

@toast216 I think this is fixed in 9fa293b. Can you try installing again?

[bartholomew91]

Can't confirm for @toast216, but the fix you just pushed @jeremyschlatter works for me. Thanks!