errbot-plugin with comment in requirements.txt

chatops[10585]: Traceback (most recent call last):
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/basecommand.py", line 209, in main
chatops[10585]: status = self.run(options, args)
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/commands/install.py", line 287, in run
chatops[10585]: wheel_cache
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/basecommand.py", line 270, in populate_requirement_set
chatops[10585]: wheel_cache=wheel_cache
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 230, in from_line
chatops[10585]: wheel_cache=wheel_cache, constraint=constraint)
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 77, in __init__
chatops[10585]: req = pkg_resources.Requirement.parse(req)
chatops[10585]: File "/usr/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3036, in parse
chatops[10585]: req, = parse_requirements(s)
chatops[10585]: ValueError: need more than 0 values to unpack
chatops[10585]: Failed to load the dependent package
chatops[10585]: Traceback (most recent call last):
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/plugin_manager.py", line 59, in install_package
chatops[10585]: globals()[package] = importlib.import_module(package)
chatops[10585]: File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
chatops[10585]: __import__(name)
chatops[10585]: ImportError: No module named # testing
chatops[10585]: Traceback (most recent call last):
chatops[10585]: File "/bin/errbot", line 9, in <module>
chatops[10585]: load_entry_point('errbot==4.0.3', 'console_scripts', 'errbot')()
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/err.py", line 262, in main
chatops[10585]: main(backend, logger, config, restore)
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/main.py", line 137, in main
chatops[10585]: bot = setup_bot(bot_class, logger, config, restore)
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/main.py", line 111, in setup_bot
chatops[10585]: errors = bot.plugin_manager.update_dynamic_plugins()
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/plugin_manager.py", line 426, in update_dynamic_plugins
chatops[10585]: return self.update_plugin_places(self.repo_manager.get_all_repos_paths(), self.extra, self.autoinstall_deps)
chatops[10585]: File "/usr/lib/python2.7/site-packages/errbot/plugin_manager.py", line 359, in update_plugin_places
chatops[10585]: errors[path] = u''.join(traceback.format_tb(error))
chatops[10585]: File "/usr/lib64/python2.7/traceback.py", line 76, in format_tb
chatops[10585]: return format_list(extract_tb(tb, limit))
chatops[10585]: File "/usr/lib64/python2.7/traceback.py", line 95, in extract_tb
chatops[10585]: f = tb.tb_frame
chatops[10585]: AttributeError: 'tuple' object has no attribute 'tb_frame'
systemd[1]: chatops.service: main process exited, code=exited, status=1/FAILURE