update

kantts/utils/plot.py

-import matplotlib
-
-matplotlib.use("Agg")  # NOQA: E402
-try:
-    import matplotlib.pyplot as plt
-except ImportError:
-    raise ImportError("Please install matplotlib.")
-
-
-def plot_spectrogram(spectrogram):
-    fig, ax = plt.subplots(figsize=(12, 8))
-    im = ax.imshow(spectrogram, aspect="auto", origin="lower", interpolation="none")
-    plt.colorbar(im, ax=ax)
-
-    fig.canvas.draw()
-    plt.close()
-
-    return fig
-
-
-def plot_alignment(alignment, info=None):
-    fig, ax = plt.subplots()
-    im = ax.imshow(alignment, aspect="auto", origin="lower", interpolation="none")
-    fig.colorbar(im, ax=ax)
-    xlabel = "Input timestep"
-    if info is not None:
-        xlabel += "\t" + info
-    plt.xlabel(xlabel)
-    plt.ylabel("Output timestep")
-    fig.canvas.draw()
-    plt.close()
-
-    return fig

requirements.txt

 tts-autolabel==1.1.8
 ttsfrd==0.2.1
+modelscope
+pysptk
+bitstring
+unidecode
+inflect