I've recently seen a couple of random doctest failures, see below.
Anyone some ideas?
File "src/sage/rings/number_field/number_field.py", line 1288, in
sage.rings.number_field.number_field.NumberField_generic
Failed example:
for chi in G:
D = ModularSymbols(chi, 2,
-1).cuspidal_subspace().new_subspace().decomposition()
for f in D:
elt = f.q_eigenform(10, 'alpha')[3]
assert elt.is_integral()
Exception raised:
Traceback (most recent call last):
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/doctest/forker.py",
line 671, in _run
self.compile_and_execute(example, compiler, test.globs)
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/doctest/forker.py",
line 1095, in compile_and_execute
exec(compiled, globs)
File "<doctest
sage.rings.number_field.number_field.NumberField_generic[47]>", line 4,
in <module>
elt = f.q_eigenform(Integer(10), 'alpha')[Integer(3)]
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/modular/modsym/space.py",
line 1263, in q_eigenform
ext = [self.eigenvalue(n, names) for n in range(f.prec(),prec)]
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/modular/hecke/module.py",
line 1304, in eigenvalue
Tn_e = self._eigen_nonzero_element(n)
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/modular/hecke/module.py",
line 635, in _eigen_nonzero_element
return A._hecke_image_of_ith_basis_vector(n, i)
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/modular/hecke/module.py",
line 650, in _hecke_image_of_ith_basis_vector
return T.apply_sparse(self.gen(i))
File
"/local/sage-patchbot/sage/local/lib/python2.7/site-packages/sage/modular/modsym/hecke_operator.py",
line 72, in apply_sparse
return M(v.parent()((W * R).row(0)))
File "sage/structure/element.pyx", line 3697, in
sage.structure.element.Matrix.__mul__
(build/cythonized/sage/structure/element.c:22653)
return coercion_model.bin_op(left, right, mul)
File "sage/structure/coerce.pyx", line 1156, in
sage.structure.coerce.CoercionModel.bin_op
(build/cythonized/sage/structure/coerce.c:9988)
return (<Action>action)._act_(x, y)
File "sage/matrix/action.pyx", line 260, in
sage.matrix.action.MatrixMatrixAction._act_
(build/cythonized/sage/matrix/action.c:4612)
prod = A._matrix_times_matrix_(B)
File "sage/matrix/matrix0.pyx", line 5213, in
sage.matrix.matrix0.Matrix._matrix_times_matrix_
(build/cythonized/sage/matrix/matrix0.c:35078)
return self._multiply_classical(right)
File "sage/matrix/matrix_sparse.pyx", line 193, in
sage.matrix.matrix_sparse.Matrix_sparse._multiply_classical
(build/cythonized/sage/matrix/matrix_sparse.c:3856)
sig_on()
SystemError: calling remove_from_pari_stack() inside sig_on()
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