diff --git a/scripts/tools/zap/generate.py b/scripts/tools/zap/generate.py
index 516921fc05..758b1eb66e 100755
--- a/scripts/tools/zap/generate.py
+++ b/scripts/tools/zap/generate.py
@@ -30,9 +30,11 @@
 
 from zap_execution import ZapTool
 
+
 def isWindows():
     return platform.system() == "Windows"
 
+
 # fcntl is not supported on widows platform due to lack of necessity of I/O control on file descriptor
 if not isWindows():
     import fcntl
@@ -343,7 +345,6 @@ def __enter__(self):
         self.lock_file = open(self.lock_file_path, 'wb')
         fcntl.lockf(self.lock_file, fcntl.LOCK_EX)
 
-
     def __exit__(self, *args):
         # fcntl is not supported on widows platform due to lack of necessity of I/O control on file descriptor
         if not self.lock_file or isWindows():