iotests/297: pylint: ignore too many statements

Ignore two complains, which now lead to 297 failure on testenv.py and
testrunner.py.

Fixes: 2e5a2f57db
Fixes: d74c754c92
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210129161323.615027-1-vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/pylintrc

@@ -21,6 +21,8 @@ disable=invalid-name,
         unsubscriptable-object,
         # These are temporary, and should be removed:
         missing-docstring,
+        too-many-return-statements,
+        too-many-statements
 
 [FORMAT]