libsora needs sndfile in Ubuntu system.

libsora cannot capture the information of "sndfile" in installation.

Author: MokkeMeguru

dockerfile

@@ -1,6 +1,6 @@
 FROM tensorflow/tensorflow:2.2.0-gpu
 RUN apt-get update
-RUN apt-get install -y zsh tmux wget git
+RUN apt-get install -y zsh tmux wget git libsndfile1
 RUN pip install git+https://github.com/TensorSpeech/TensorflowTTS.git
 RUN mkdir /workspace
 WORKDIR /workspace