From 53350d1208c305223af0ad6610607a75c16abc2f Mon Sep 17 00:00:00 2001
From: Fangjun Kuang <csukuangfj@gmail.com>
Date: Thu, 2 Jan 2025 10:50:58 +0800
Subject: [PATCH] fix matplotlib version

---
 .github/scripts/docker/Dockerfile | 2 +-
 .github/workflows/ljspeech.yml    | 2 ++
 egs/ljspeech/TTS/vits/utils.py    | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/scripts/docker/Dockerfile b/.github/scripts/docker/Dockerfile
index 94e8d8e1e..cf0523401 100644
--- a/.github/scripts/docker/Dockerfile
+++ b/.github/scripts/docker/Dockerfile
@@ -49,7 +49,7 @@ RUN pip install --no-cache-dir \
       kaldifst \
       kaldilm \
       librosa \
-      matplotlib \
+      "matplotlib<=3.9.4" \
       multi_quantization \
       numba \
       "numpy<2.0" \
diff --git a/.github/workflows/ljspeech.yml b/.github/workflows/ljspeech.yml
index bd2e40b6e..e0bea512a 100644
--- a/.github/workflows/ljspeech.yml
+++ b/.github/workflows/ljspeech.yml
@@ -70,6 +70,8 @@ jobs:
               cd /icefall
               git config --global --add safe.directory /icefall
 
+              pip install "matplotlib<=3.9.4"
+
               pip list
 
               .github/scripts/ljspeech/TTS/run-matcha.sh
diff --git a/egs/ljspeech/TTS/vits/utils.py b/egs/ljspeech/TTS/vits/utils.py
index 2345da3e5..6a067f596 100644
--- a/egs/ljspeech/TTS/vits/utils.py
+++ b/egs/ljspeech/TTS/vits/utils.py
@@ -90,7 +90,7 @@ def intersperse(sequence, item=0):
 
 
 # from https://github.com/jaywalnut310/vits/blob/main/utils.py
-MATPLOTLIB_FLAG = True
+MATPLOTLIB_FLAG = False
 
 
 def plot_feature(spectrogram):