iotests/297: Create main() function

Instead of running "run_linters" directly, create a main() function that
will be responsible for environment setup, leaving run_linters()
responsible only for execution of the linters.

(That environment setup will be moved over in forthcoming commits.)

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-id: 20211019144918.3159078-5-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/tests/qemu-iotests/297 b/tests/qemu-iotests/297
index 15b54594c1..163ebc8ebf 100755
--- a/tests/qemu-iotests/297
+++ b/tests/qemu-iotests/297
@@ -89,8 +89,12 @@ def run_linters():
         print(p.stdout)
 
 
-for linter in ('pylint-3', 'mypy'):
-    if shutil.which(linter) is None:
-        iotests.notrun(f'{linter} not found')
+def main() -> None:
+    for linter in ('pylint-3', 'mypy'):
+        if shutil.which(linter) is None:
+            iotests.notrun(f'{linter} not found')
 
-iotests.script_main(run_linters)
+    run_linters()
+
+
+iotests.script_main(main)