Error in lines 5-5
Traceback (most recent call last):
File "/cocalc/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 1044, in execute
exec compile(block+'\n', '', 'single', flags=compile_flags) in namespace, locals
File "", line 1, in <module>
File "sage/structure/element.pyx", line 493, in sage.structure.element.Element.__getattr__ (build/cythonized/sage/structure/element.c:4515)
return self.getattr_from_category(name)
File "sage/structure/element.pyx", line 506, in sage.structure.element.Element.getattr_from_category (build/cythonized/sage/structure/element.c:4624)
return getattr_from_other_class(self, cls, name)
File "sage/cpython/getattr.pyx", line 228, in sage.cpython.getattr.getattr_from_other_class (build/cythonized/sage/cpython/getattr.c:1848)
raise AttributeError(dummy_error_message)
AttributeError: 'FreeModule_ambient_field_with_category.element_class' object has no attribute 'cross_prodtct'