From 45ba0e53322d61ad3d1b947198bbd32f36690c4a Mon Sep 17 00:00:00 2001
From: fordsfords <sford@geeky-boy.com>
Date: Mon, 4 Jul 2016 14:45:41 -0500
Subject: [PATCH] More error checking work

---
 source/py_gpio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/py_gpio.c b/source/py_gpio.c
index 5e90683..2933a83 100644
--- a/source/py_gpio.c
+++ b/source/py_gpio.c
@@ -170,7 +170,9 @@ static PyObject *py_output_gpio(PyObject *self, PyObject *args)
 
     if (!module_setup || dyn_int_array_get(&gpio_direction, gpio, -1) != OUTPUT)
     {
-        PyErr_SetString(PyExc_RuntimeError, "The GPIO channel has not been setup() as an OUTPUT");
+        char err[2000];
+        snprintf(err, sizeof(err), "Channel %s not set up or is not an output", channel);
+        PyErr_SetString(PyExc_RuntimeError, err);
         return NULL;
     }