1from sympy import print_gtk, sin 2from sympy.testing.pytest import XFAIL, raises 3 4# this test fails if python-lxml isn't installed. We don't want to depend on 5# anything with SymPy 6 7 8@XFAIL 9def test_1(): 10 from sympy.abc import x 11 print_gtk(x**2, start_viewer=False) 12 print_gtk(x**2 + sin(x)/4, start_viewer=False) 13 14 15def test_settings(): 16 from sympy.abc import x 17 raises(TypeError, lambda: print_gtk(x, method="garbage")) 18