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Commit 7b9cdec

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QuLogicQuLogic
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Fix specgram test on NumPy 1.20.
In NumPy 1.20, the fft is slight different (more accurate?) and returns 0 as the last entry, instead of some small number ~1e-30. This causes a divide-by-zero warning in `log10`. However, this test doesn't really care about the spectrogram, just the frequencies, so we can change the scale to linear to avoid the warning.
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‎lib/matplotlib/tests/test_axes.py

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@@ -4452,7 +4452,7 @@ def test_specgram_angle():
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def test_specgram_fs_none():
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"""Test axes.specgram when Fs is None, should not throw error."""
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spec, freqs, t, im = plt.specgram(np.ones(300), Fs=None)
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spec, freqs, t, im = plt.specgram(np.ones(300), Fs=None, scale='linear')
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xmin, xmax, freq0, freq1 = im.get_extent()
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assert xmin == 32 and xmax == 96
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