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- from sympy.functions.elementary.trigonometric import sin
- from sympy.printing.gtk import print_gtk
- from sympy.testing.pytest import XFAIL, raises
- # this test fails if python-lxml isn't installed. We don't want to depend on
- # anything with SymPy
- @XFAIL
- def test_1():
- from sympy.abc import x
- print_gtk(x**2, start_viewer=False)
- print_gtk(x**2 + sin(x)/4, start_viewer=False)
- def test_settings():
- from sympy.abc import x
- raises(TypeError, lambda: print_gtk(x, method="garbage"))
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