From d970af73fd1878b26622dec426d569e7a6f613b5 Mon Sep 17 00:00:00 2001
From: Andrew Scheller <github@loowis.durge.org>
Date: Thu, 18 Feb 2016 18:53:52 +0000
Subject: [PATCH] Catch AttributeError inside GPIODevice._read

Fixes #202
---
 gpiozero/devices.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gpiozero/devices.py b/gpiozero/devices.py
index a1feb4e..5e5b29b 100644
--- a/gpiozero/devices.py
+++ b/gpiozero/devices.py
@@ -243,7 +243,7 @@ class GPIODevice(ValuesMixin, GPIOBase):
     def _read(self):
         try:
             return self.pin.state == self._active_state
-        except TypeError:
+        except (AttributeError, TypeError):
             self._check_open()
             raise