Update Dockerfile

Dockerfile

@@ -2,12 +2,13 @@ FROM linuxserver/baseimage.python
 MAINTAINER smdion <me@seandion.com> ,Sparklyballs <sparklyballs@linuxserver.io>
 
 ENV BEETSDIR /config
-ENV APTLIST="ffmpeg lame libav-tools libchromaprint-tools libjpeg8-dev libopenjpeg-dev libpng12-dev libyaml-dev mp3gain"
+ENV APTLIST="ffmpeg lame libav-tools libchromaprint-tools libjpeg8-dev libopenjpeg-dev libpng12-dev libyaml-dev mp3gain python2.7"
 
 # unset the term from baseimage.
 ENV TERM=
 
-RUN add-apt-repository ppa:mc3man/trusty-media && \
+RUN add-apt-repository ppa:fkrull/deadsnakes-python2.7 && \
+add-apt-repository ppa:mc3man/trusty-media && \
 apt-get update -q && \
 apt-get install $APTLIST -qy && \
 pip install -U pyacoustid && \