systemd-python: small cleanups

- separate methods with two empty lines for clarity
- avoid malloc(0) by specyfing private data size as -1
- add method name in error messages

1 files changed, 1 insertions, 1 deletions

diff --git a/src/python-systemd/id128.c b/src/python-systemd/id128.c
index a6711a5bd5..865cc3ce22 100644
--- a/src/python-systemd/id128.c
+++ b/src/python-systemd/id128.c
@@ -134,7 +134,7 @@ static struct PyModuleDef module = {
         PyModuleDef_HEAD_INIT,
         "id128", /* name of module */
         module__doc__, /* module documentation, may be NULL */
-        0, /* size of per-interpreter state of the module */
+        -1, /* size of per-interpreter state of the module */
         methods
 };