plugin_e2ee: handle empty args in /foo_state commands

Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
8 jobs for e2ee-state-command-args in 10 minutes and 34 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
passed #33415
mypy

00:07:49

failed #33413
pylint-latest

00:09:29

passed #33414
pylint-plugins

00:10:34

passed #33412
security-check

00:07:35

 
  Test
skipped #33419
pytest-3.10
skipped #33416
pytest-3.7
skipped #33417
pytest-3.8
skipped #33418
pytest-3.9
 
Name Stage Failure
failed
pylint-latest Lint
Finished processing dependencies for poezio==0.13.1.dev1327
$ pylint -E poezio
************* Module poezio.connection
poezio/connection.py:90:12: E1101: Instance of 'object' has no 'resource' member (no-member)
poezio/connection.py:249:12: E1101: Instance of 'Connection' has no 'handler' member (no-member)
************* Module poezio.core.core
poezio/core/core.py:569:26: E1101: Instance of 'object' has no 'split' member (no-member)
Cleaning up file based variables
ERROR: Job failed: exit code 1