wic: Code cleanup: bad-classmethod-argument

Fixed wrong name for the first argument in class methods.
Pylint complains about the issue this way:
    Class method should have 'cls' as first argument

(From OE-Core rev: cd7c72d6d5a5110173d0d3f60f2991b1dc30fc26)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/scripts/lib/wic/plugins/source/rootfs.py b/scripts/lib/wic/plugins/source/rootfs.py
index 7d444301fb..0ee383efb7 100644
--- a/scripts/lib/wic/plugins/source/rootfs.py
+++ b/scripts/lib/wic/plugins/source/rootfs.py
@@ -54,7 +54,7 @@ class RootfsPlugin(SourcePlugin):
         return image_rootfs_dir
 
     @classmethod
-    def do_prepare_partition(self, part, source_params, cr, cr_workdir,
+    def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
                              oe_builddir, bootimg_dir, kernel_dir,
                              krootfs_dir, native_sysroot):
         """
@@ -77,7 +77,7 @@ class RootfsPlugin(SourcePlugin):
                 msg += " or it is not a valid path, exiting"
                 msger.error(msg % part.rootfs)
 
-        real_rootfs_dir = self.__get_rootfs_dir(rootfs_dir)
+        real_rootfs_dir = cls.__get_rootfs_dir(rootfs_dir)
 
         part.set_rootfs(real_rootfs_dir)
         part.prepare_rootfs(cr_workdir, oe_builddir, real_rootfs_dir, native_sysroot)