diff --git a/bsp/lpc55sxx/tools/sdk_dist.py b/bsp/lpc55sxx/tools/sdk_dist.py
index 9254b1b58993f0dfd45f395347ae8f5f09ed2fd4..a69c8f2db1f4110b49912e50e753ec948b0def23 100644
--- a/bsp/lpc55sxx/tools/sdk_dist.py
+++ b/bsp/lpc55sxx/tools/sdk_dist.py
@@ -8,7 +8,7 @@ sys.path.append(os.path.join(os.path.dirname(cwd_path), 'rt-thread', 'tools'))
 def dist_do_building(BSP_ROOT):
     from mkdist import bsp_copy_files
     import rtconfig
-    
+
     dist_dir  = os.path.join(BSP_ROOT, 'dist', os.path.basename(BSP_ROOT))
     library_path = os.path.join(os.path.dirname(BSP_ROOT), 'Libraries')
     library_dir  = os.path.join(dist_dir, 'Libraries')