diff --git a/tools/config/__init__.py b/tools/config/__init__.py
index 824b4fa18f..771ea07142 100755
--- a/tools/config/__init__.py
+++ b/tools/config/__init__.py
@@ -980,7 +980,6 @@ class Config(object):
                 yield region._replace(filename=self.target.header_format)
 
         if self.target.restrict_size is not None:
-
             if self.target.app_offset:
                 start = self._assign_new_offset(
                     rom_start,