Fixed code-block format

platypush/message/response/camera/android.py

@@ -7,7 +7,7 @@ class AndroidCameraStatusResponse(CameraResponse):
     """
     Sample response::
 
-        ..code-block:: json
+        .. code-block:: json
 
         {
             "stream_url": "https://192.168.1.30:8080/video",

platypush/plugins/arduino.py

@@ -66,7 +66,7 @@ class ArduinoPlugin(GpioSensorPlugin):
             can be a function that takes an argument and transforms it or its lambda string representation.
             Note that ``analog_read`` returns by default float values in the range [0.0, 1.0]. Example:
 
-            ..code-block:: yaml
+            .. code-block:: yaml
 
                 arduino:
                     board: /dev/ttyUSB0

platypush/plugins/gpio/zeroborg/__init__.py

@@ -150,7 +150,7 @@ class GpioZeroborgPlugin(Plugin):
         """
         Get the current direction and motors power. Example response::
 
-            ..code-block:: json
+            .. code-block:: json
 
             {
                 "status": "running",