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Direktori : /usr/lib/python3/dist-packages/sympy/parsing/tests/ |
Current File : //usr/lib/python3/dist-packages/sympy/parsing/tests/test_latex_deps.py |
from sympy.external import import_module from sympy.testing.pytest import ignore_warnings, raises antlr4 = import_module("antlr4", warn_not_installed=False) # disable tests if antlr4-python*-runtime is not present if antlr4: disabled = True def test_no_import(): from sympy.parsing.latex import parse_latex with ignore_warnings(UserWarning): with raises(ImportError): parse_latex('1 + 1')