Failed example:: Exception raised: Traceback (most recent call last): File "/sage/src/sage/doctest/forker.py", line 715, in _run self.compile_and_execute(example, compiler, test.globs) File "/sage/src/sage/doctest/forker.py", line 1147, in compile_and_execute exec(compiled, globs) File "<doctest sage.algebras.quatalg.quaternion_algebra.QuaternionAlgebraFactory.create_key[0]>", line 1, in <module> from sage.algebras.quaternion_algebra import _QuaternionAlgebra ImportError: cannot import name '_QuaternionAlgebra' from 'sage.algebras.quaternion_algebra' (/sage/src/sage/algebras/quaternion_algebra.py)

Failed example:: Exception raised: Traceback (most recent call last): File "/sage/src/sage/doctest/forker.py", line 715, in _run self.compile_and_execute(example, compiler, test.globs) File "/sage/src/sage/doctest/forker.py", line 1147, in compile_and_execute exec(compiled, globs) File "<doctest sage.algebras.quatalg.quaternion_algebra.QuaternionAlgebraFactory.create_key[1]>", line 1, in <module> _QuaternionAlgebra.create_key(-Integer(1),-Integer(1)) NameError: name '_QuaternionAlgebra' is not defined

Failed example:: Exception raised: Traceback (most recent call last): File "/sage/src/sage/doctest/forker.py", line 715, in _run self.compile_and_execute(example, compiler, test.globs) File "/sage/src/sage/doctest/forker.py", line 1147, in compile_and_execute exec(compiled, globs) File "<doctest sage.algebras.quatalg.quaternion_algebra.QuaternionAlgebraFactory.create_object[0]>", line 1, in <module> from sage.algebras.quaternion_algebra import _QuaternionAlgebra ImportError: cannot import name '_QuaternionAlgebra' from 'sage.algebras.quaternion_algebra' (/sage/src/sage/algebras/quaternion_algebra.py)

Failed example:: Exception raised: Traceback (most recent call last): File "/sage/src/sage/doctest/forker.py", line 715, in _run self.compile_and_execute(example, compiler, test.globs) File "/sage/src/sage/doctest/forker.py", line 1147, in compile_and_execute exec(compiled, globs) File "<doctest sage.algebras.quatalg.quaternion_algebra.QuaternionAlgebraFactory.create_object[1]>", line 1, in <module> _QuaternionAlgebra.create_object("6.0", (QQ, -Integer(1), -Integer(1), ('i', 'j', 'k'))) NameError: name '_QuaternionAlgebra' is not defined