From 494d28d854080c5117b516d80e5e0acf24aa17ac Mon Sep 17 00:00:00 2001
From: Kevin Matz <kevin.matz@gmail.com>
Date: Sun, 17 Nov 2019 10:55:26 -0500
Subject: [PATCH] clean temporary variable off the stack

---
 buttond.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/buttond.py b/buttond.py
index e8e818b..1f2691b 100755
--- a/buttond.py
+++ b/buttond.py
@@ -63,6 +63,12 @@ for b in config.get('button', 'names').split(','):
         print('Error configuring button', b, e)
         continue
 
+try:
+    # clear temp variables off the stack
+    del pin, closed, opened
+except (NameError):
+    pass
+
 if __name__ == '__main__':
     try:
         pause()