PEP8 code style update, remove broken recognize_att, remove outdated …

…Python 2.6 support

build.sh

@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
 
-echo "if the following doesn't work, make sure you have your account set up properly with `python3 setup.py register`"
+# set up bash to handle errors more aggressively - a "strict mode" of sorts
+set -e # give an error if any command finishes with a non-zero exit code
+set -u # give an error if we reference unset variables
+set -o pipefail # for a pipeline, if any of the commands fail with a non-zero exit code, fail the entire pipeline with that exit code
+
+echo "if the following doesn't work, make sure you have your account set up properly with 'python3 setup.py register'"
 
 # make sure we use GnuPG 2 rather than GnuPG 1
 sudo ln "$(which gpg2)" dist/gpg

reference/library-reference.rst

@@ -177,7 +177,7 @@ Phrase recognition uses the exact same mechanism as ``recognizer_instance.listen
 The ``callback`` parameter is a function that should accept two parameters - the ``recognizer_instance``, and an ``AudioData`` instance representing the captured audio. Note that ``callback`` function will be called from a non-main thread.
 
 ``recognizer_instance.recognize_sphinx(audio_data, language = "en-US", keyword_entries = None, show_all = False)``
-------------------------------------------------------------------------------------------
+------------------------------------------------------------------------------------------------------------------
 
 Performs speech recognition on ``audio_data`` (an ``AudioData`` instance), using CMU Sphinx.