Atom Helper Zombie

[ghost]

Atom 0.136.0 Atom Lint 0.20.0 OS X Yosemite

I got following error on saving. This is an expected error because coffeelint is not installed, but it seems to generate zombie processes.

Error: spawn coffeelint ENOENT
  at exports._errnoException (util.js:742:11)
  at Process.ChildProcess._handle.onexit (child_process.js:1051:32)
  at child_process.js:1142:20
  at process._tickCallback (node.js:378:11)

$ ps uA | grep 'Atom Helper'
h2so5             15728   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15727   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15726   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15725   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15724   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15723   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15722   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15721   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
h2so5             15720   0.0  0.0        0      0   ??  Z     4:17PM   0:00.00 (Atom Helper)
...