How to use the stt.PocketSphinxSTT function in stt

with open("sentences_spotify.txt", "w") as f:
            f.write("\n".join(original) + "\n")
            f.write("<s> \n </s> \n")
            f.close()

        # make language model
        os.system(
            "text2idngram -vocab sentences_spotify.txt &lt; sentences_spotify.txt -idngram spotify.idngram")
        os.system(
            "idngram2lm -idngram spotify.idngram -vocab sentences_spotify.txt -arpa languagemodel_spotify.lm")

        # create a new mic with the new music models
        self.mic = Mic(
            mic.speaker,
            stt.PocketSphinxSTT(lmd_music="languagemodel_spotify.lm", dictd_music="dictionary_spotify.dic"),
            stt.PocketSphinxSTT(lmd_music="languagemodel_spotify.lm", dictd_music="dictionary_spotify.dic")
        )

with open("sentences_spotify.txt", "w") as f:
            f.write("\n".join(original) + "\n")
            f.write("<s> \n </s> \n")
            f.close()

        # make language model
        os.system(
            "text2idngram -vocab sentences_spotify.txt &lt; sentences_spotify.txt -idngram spotify.idngram")
        os.system(
            "idngram2lm -idngram spotify.idngram -vocab sentences_spotify.txt -arpa languagemodel_spotify.lm")

        # create a new mic with the new music models
        self.mic = Mic(
            mic.speaker,
            stt.PocketSphinxSTT(lmd_music="languagemodel_spotify.lm", dictd_music="dictionary_spotify.dic"),
            stt.PocketSphinxSTT(lmd_music="languagemodel_spotify.lm", dictd_music="dictionary_spotify.dic")
        )

print "==========================================================="

    profile = yaml.safe_load(open("profile.yml", "r"))

    try:
        api_key = profile['keys']['GOOGLE_SPEECH']
    except KeyError:
        api_key = None

    try:
        stt_engine_type = profile['stt_engine']
    except KeyError:
        print "stt_engine not specified in profile, defaulting to PocketSphinx"
        stt_engine_type = "sphinx"

    mic = Mic(speaker.newSpeaker(), stt.PocketSphinxSTT(),
              stt.newSTTEngine(stt_engine_type, api_key=api_key))

    addendum = ""
    if 'first_name' in profile:
        addendum = ", %s" % profile["first_name"]
    mic.say("How can I be of service%s?" % addendum)

    conversation = Conversation("JASPER", mic, profile)

    conversation.handleForever()