---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/interface.py in __init__(self, parent, value, is_name, name)
    731             try:
--> 732                 self._name = parent._create(value, name=name)
    733             except (TypeError, RuntimeError, ValueError) as x:

~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/maxima_lib.py in _create(self, value, name)
    607             else:
--> 608                 self.set(name, value)
    609         except RuntimeError as error:

~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/maxima_lib.py in set(self, var, value)
    515         cmd = '%s : %s$'%(var, value.rstrip(';'))
--> 516         self.eval(cmd)
    517

~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/maxima_lib.py in _eval_line(self, line, locals, reformat, **kwds)
    461                 if statement:
--> 462                     maxima_eval("#$%s$" % statement)
    463         if not reformat:

~/sage-9.2/local/lib/python3.9/site-packages/sage/libs/ecl.pyx in sage.libs.ecl.EclObject.__call__ (build/cythonized/sage/libs/ecl.c:8424)()
    836         """
--> 837         lispargs = EclObject(list(args))
    838         return ecl_wrap(ecl_safe_apply(self.obj,(<EclObject>lispargs).obj))

~/sage-9.2/local/lib/python3.9/site-packages/sage/libs/ecl.pyx in sage.libs.ecl.EclObject.__init__ (build/cythonized/sage/libs/ecl.c:7887)()
    697         elif len(args) == 1:
--> 698             self.set_obj(python_to_ecl(args[0], True))
    699         elif len(args) == 2:

~/sage-9.2/local/lib/python3.9/site-packages/sage/libs/ecl.pyx in sage.libs.ecl.python_to_ecl (build/cythonized/sage/libs/ecl.c:7079)()
    480         for i in range(len(pyobj)-1,-1,-1):
--> 481             L = cl_cons(python_to_ecl(pyobj[i], read_strings), L)
    482         return L

~/sage-9.2/local/lib/python3.9/site-packages/sage/libs/ecl.pyx in sage.libs.ecl.python_to_ecl (build/cythonized/sage/libs/ecl.c:6727)()
    457         if read_strings:
--> 458             return ecl_safe_funcall(read_from_string_clobj, o)
    459         else:

~/sage-9.2/local/lib/python3.9/site-packages/sage/libs/ecl.pyx in sage.libs.ecl.ecl_safe_funcall (build/cythonized/sage/libs/ecl.c:5771)()
    342         else:
--> 343             raise RuntimeError("ECL says: {}".format(message))
    344     else:

RuntimeError: ECL says: THROW: The catch MACSYMA-QUIT is undefined.

During handling of the above exception, another exception occurred:

TypeError                                 Traceback (most recent call last)
/tmp/ipykernel_6132/3584725466.py in <module>
----> 1 real_part(log(QQbar((-Integer(1))**(Integer(1)/Integer(3))))).is_zero()

~/sage-9.2/local/lib/python3.9/site-packages/sage/structure/element.pyx in sage.structure.element.Element.is_zero (build/cythonized/sage/structure/element.c:10227)()
   1062             implement ``__nonzero__`` instead.
   1063         """
-> 1064         return not self
   1065
   1066     def _cache_key(self):

~/sage-9.2/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression.__nonzero__ (build/cythonized/sage/symbolic/expression.cpp:48893)()
   3511             return False
   3512         else:
-> 3513             return not bool(self == self._parent.zero())
   3514
   3515

~/sage-9.2/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression.__nonzero__ (build/cythonized/sage/symbolic/expression.cpp:48588)()
   3491                 if res in (True, False):
   3492                     return res
-> 3493                 res = self.operator()((self.lhs()-self.rhs()).simplify_full(), 0).test_relation()
   3494                 if res in (True, False):
   3495                     return res

~/sage-9.2/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression.simplify_full (build/cythonized/sage/symbolic/expression.cpp:81686)()
  10670         """
  10671         x = self
> 10672         x = x.simplify_factorial()
  10673         x = x.simplify_rectform()
  10674         x = x.simplify_trig()

~/sage-9.2/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression.simplify_factorial (build/cythonized/sage/symbolic/expression.cpp:84711)()
  11153
  11154         """
> 11155         return self.parent()(self._maxima_().makefact().factcomb().minfactorial())
  11156
  11157     factorial_simplify = simplify_factorial

~/sage-9.2/local/lib/python3.9/site-packages/sage/symbolic/expression.pyx in sage.symbolic.expression.Expression._maxima_ (build/cythonized/sage/symbolic/expression.cpp:35315)()
   1227             # Maybe not such a great idea because the "default" interface is another one
   1228             from sage.calculus.calculus import maxima
-> 1229             return super(Expression, self)._interface_(maxima)
   1230         else:
   1231             return super(Expression, self)._interface_(session)

~/sage-9.2/local/lib/python3.9/site-packages/sage/structure/sage_object.pyx in sage.structure.sage_object.SageObject._interface_ (build/cythonized/sage/structure/sage_object.c:5783)()
    692             except Exception:
    693                 raise NotImplementedError("coercion of object %s to %s not implemented:\n%s\n%s" % (repr(self), I))
--> 694         X = I(s)
    695         if c:
    696             try:

~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/interface.py in __call__(self, x, name)
    293
    294         if isinstance(x, str):
--> 295             return cls(self, x, name=name)
    296         try:
    297             # Special methods do not and should not have an option to

~/sage-9.2/local/lib/python3.9/site-packages/sage/interfaces/interface.py in __init__(self, parent, value, is_name, name)
    732                 self._name = parent._create(value, name=name)
    733             except (TypeError, RuntimeError, ValueError) as x:
--> 734                 raise TypeError(x)
    735
    736     def _latex_(self):

TypeError: ECL says: THROW: The catch MACSYMA-QUIT is undefined.