outputs must have PUD_OFF. Enforced on RPi.GPIO-0.6.3. (#2)

* outputs must have PUD_OFF. Enforced on RPi.GPIO-0.6.3.

* <tab> vs <spaces> snuck in

pi_mqtt_gpio/modules/__init__.py

@@ -9,8 +9,9 @@ class PinDirection(Enum):
 
 
 class PinPullup(Enum):
-    UP = 0
-    DOWN = 1
+    OFF = 0
+    UP = 1
+    DOWN = 2
 
 
 class GenericGPIO(object):

pi_mqtt_gpio/modules/raspberrypi.py

@@ -21,6 +21,7 @@ class GPIO(GenericGPIO):
         }
 
         PULLUPS = {
+            PinPullup.OFF: gpio.PUD_OFF,
             PinPullup.UP: gpio.PUD_UP,
             PinPullup.DOWN: gpio.PUD_DOWN
         }
@@ -29,8 +30,12 @@ class GPIO(GenericGPIO):
 
     def setup_pin(self, pin, direction, pullup, pin_config):
         direction = DIRECTIONS[direction]
-        if pullup is not None:
+
+        if pullup is None:
+            pullup = PULLUPS[0]
+        else:
             pullup = PULLUPS[pullup]
+
         self.io.setup(pin, direction, pull_up_down=pullup)
 
     def set_pin(self, pin, value):