mmdebstrap: use Popen as a context manager

1 files changed, 6 insertions, 5 deletions

diff --git a/mdbp/mmdebstrap.py b/mdbp/mmdebstrap.py
index cbb52a9..c2bf9d4 100644
--- a/mdbp/mmdebstrap.py
+++ b/mdbp/mmdebstrap.py
@@ -218,11 +218,12 @@ def main() -> None:
           if "sourcename" in build["input"] else ()),
         *build.get("extrarepositories", ()),
     ]
-    proc = subprocess.Popen(cmd,
-                            stdout=None if enablelog else subprocess.DEVNULL,
-                            stderr=subprocess.STDOUT if enablelog
-                                   else subprocess.DEVNULL)
-    sys.exit(proc.wait())
+    with subprocess.Popen(
+        cmd,
+        stdout=None if enablelog else subprocess.DEVNULL,
+        stderr=subprocess.STDOUT if enablelog else subprocess.DEVNULL,
+    ) as proc:
+        sys.exit(proc.wait())
 
 if __name__ == "__main__":
     main()