From 5cfbd75250b31d8b452a03a511ea87c7dcee7804 Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <blacklight86@gmail.com>
Date: Wed, 5 Sep 2018 02:26:55 +0200
Subject: [PATCH] Prevent RuntimeError on lock release if lock acquisition
 failed

---
 platypush/plugins/serial/__init__.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/platypush/plugins/serial/__init__.py b/platypush/plugins/serial/__init__.py
index 99976c003..262dfe779 100644
--- a/platypush/plugins/serial/__init__.py
+++ b/platypush/plugins/serial/__init__.py
@@ -110,7 +110,10 @@ class SerialPlugin(GpioSensorPlugin):
             else:
                 data = self.last_measurement
         finally:
-            self.serial_lock.release()
+            try:
+                self.serial_lock.release()
+            except:
+                pass
 
         if data:
             self.last_measurement = data
@@ -143,7 +146,10 @@ class SerialPlugin(GpioSensorPlugin):
                 self.logger.info('Writing {} to {}'.format(data, self.device))
                 ser.write(data)
         finally:
-            self.serial_lock.release()
+            try:
+                self.serial_lock.release()
+            except:
+                pass
 
 
 # vim:sw=4:ts=4:et: