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fix: Matplotlib tostring_rgb() removal #2473

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fix: Matplotlib tostring_rgb() removal #2473

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8 changes: 2 additions & 6 deletions infer/lib/train/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,6 @@ def plot_spectrogram_to_numpy(spectrogram):
mpl_logger = logging.getLogger("matplotlib")
mpl_logger.setLevel(logging.WARNING)
import matplotlib.pylab as plt
import numpy as np

fig, ax = plt.subplots(figsize=(10, 2))
im = ax.imshow(spectrogram, aspect="auto", origin="lower", interpolation="none")
Expand All @@ -235,8 +234,7 @@ def plot_spectrogram_to_numpy(spectrogram):
plt.tight_layout()

fig.canvas.draw()
data = np.fromstring(fig.canvas.tostring_rgb(), dtype=np.uint8, sep="")
data = data.reshape(fig.canvas.get_width_height()[::-1] + (3,))
data = np.asarray(fig.canvas.buffer_rgba())
plt.close()
return data

Expand All @@ -251,7 +249,6 @@ def plot_alignment_to_numpy(alignment, info=None):
mpl_logger = logging.getLogger("matplotlib")
mpl_logger.setLevel(logging.WARNING)
import matplotlib.pylab as plt
import numpy as np

fig, ax = plt.subplots(figsize=(6, 4))
im = ax.imshow(
Expand All @@ -266,8 +263,7 @@ def plot_alignment_to_numpy(alignment, info=None):
plt.tight_layout()

fig.canvas.draw()
data = np.fromstring(fig.canvas.tostring_rgb(), dtype=np.uint8, sep="")
data = data.reshape(fig.canvas.get_width_height()[::-1] + (3,))
data = np.asarray(fig.canvas.buffer_rgba())
plt.close()
return data

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