/usr/lib/python3/dist-packages/matplotlib/tests/test_texmanager.py is in python3-matplotlib 1.5.1-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | from __future__ import (absolute_import, division, print_function,
unicode_literals)
import matplotlib.pyplot as plt
from matplotlib.texmanager import TexManager
def test_fontconfig_preamble():
"""
Test that the preamble is included in _fontconfig
"""
plt.rcParams['text.usetex'] = True
tm1 = TexManager()
font_config1 = tm1.get_font_config()
plt.rcParams['text.latex.preamble'] = ['\\usepackage{txfonts}']
tm2 = TexManager()
font_config2 = tm2.get_font_config()
assert font_config1 != font_config2
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