Return the exit code if the process has completed, None otherwise.
(self)
| 238 | self.source_file = source_file |
| 239 | |
| 240 | def poll(self): |
| 241 | """ Return the exit code if the process has completed, None otherwise. |
| 242 | """ |
| 243 | return self.proc.poll() |
| 244 | |
| 245 | @property |
| 246 | def returncode(self): |