Fix requirements and traceback highlighting

Author: waveform80

docs/conf.py

@@ -70,7 +70,7 @@ def __getattr__(cls, name):
 
 # -- General configuration ------------------------------------------------
 
-needs_sphinx = '1.4.3'
+needs_sphinx = '1.4.0'
 extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode', 'sphinx.ext.intersphinx', 'sphinx.ext.imgmath']
 templates_path = ['_templates']
 source_suffix = '.rst'

docs/deprecated.rst

@@ -93,7 +93,9 @@ from tight loops. With this change, the script looks like this::
         stream = io.BytesIO()
         camera.capture(stream, 'raw', use_video_port=True)
 
-And produces the following output on the console when run::
+And produces the following output on the console when run:
+
+.. code-block:: text
 
     /usr/share/pyshared/picamera/camera.py:149: DeprecationWarning: Setting framerate or gains as a tuple is deprecated; please use one of Python's many numeric classes like int, float, Decimal, or Fraction instead
       "Setting framerate or gains as a tuple is deprecated; "
@@ -133,7 +135,9 @@ full stack trace::
         stream = io.BytesIO()
         camera.capture(stream, 'raw', use_video_port=True)
 
-Now when we run the script it produces the following::
+Now when we run the script it produces the following:
+
+.. code-block:: pycon
 
     Traceback (most recent call last):
       File "test_deprecated.py", line 10, in <module>
@@ -146,7 +150,9 @@ Now when we run the script it produces the following::
 
 This tells us that line 10 of our script is using deprecated functionality, and
 provides a hint of how to fix it. We change line 10 to use an int instead of a
-tuple for the framerate. Now we run again, and this time get the following::
+tuple for the framerate. Now we run again, and this time get the following:
+
+.. code-block:: pycon
 
     Traceback (most recent call last):
       File "test_deprecated.py", line 12, in <module>

rtd_requirements.txt

@@ -1 +1 @@
-sphinx>=1.4.3
+sphinx>=1.4.0