$ hello-unity 
Traceback (most recent call last):
  File "/snap/hello-unity/100001/usr/bin/hello-unity", line 4, in <module>
    __import__('pkg_resources').run_script('hello-unity==0.4', 'hello-unity')
  File "/snap/hello-unity/100001/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 719, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/snap/hello-unity/100001/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1496, in run_script
    raise ResolutionError("No script named %r" % script_name)
pkg_resources.ResolutionError: No script named 'hello-unity'