diff -up pyparted-3.9/src/pydisk.c.orig pyparted-3.9/src/pydisk.c
--- pyparted-3.9/src/pydisk.c.orig 2018-01-12 13:47:27.488464829 -0500
+++ pyparted-3.9/src/pydisk.c 2018-01-12 13:47:04.129550934 -0500
@@ -209,7 +209,11 @@ int _ped_Partition_init(_ped_Partition *
PyErr_SetString(PartitionException, partedExnMessage);
}
} else {
- PyErr_Format(PartitionException, "Could not create new partition on device %s", disk->dev->path);
+ if (disk == NULL) {
+ PyErr_Format(PartitionException, "Could not create new partition");
+ } else {
+ PyErr_Format(PartitionException, "Could not create new partition on device %s", disk->dev->path);
+ }
}
self->disk = self->fs_type = NULL;