diff --git a/tools/cap.py b/tools/cap.py
index 11ecfc64e2..cd6ba56751 100755
--- a/tools/cap.py
+++ b/tools/cap.py
@@ -134,5 +134,6 @@ def main():
     for line in cap(requirements, frozen):
         print(line)
 
+
 if __name__ == '__main__':
     main()
diff --git a/tools/check-install.py b/tools/check-install.py
index 14fc45116b..d638c5f03c 100644
--- a/tools/check-install.py
+++ b/tools/check-install.py
@@ -25,5 +25,6 @@ def main():
                 errors += 1
     return 1 if errors else 0
 
+
 if __name__ == '__main__':
     sys.exit(main())