is there a way to do so?
thanx

>>> from sympy import *
>>> X,Y=symbols('XY')
>>> z=conjugate(X+Y*I)
>>> integrate(z,(X, -1, 1))
Integral(-I*conjugate(Y) + conjugate(X), (X, -1, 1))
>>> integrate(integrate(z,(X, -1, 1)), (Y, -1,1))
Traceback (most recent call last):
  File "<interactive input>", line 1, in ?
  File "h:\pure_pylib\math\sympy\sympy\utilities\decorator.py", line
55, in threaded_decorator
  File "h:\pure_pylib\math\sympy\sympy\integrals\integrals.py", line
395, in integrate
  File "h:\pure_pylib\math\sympy\sympy\integrals\integrals.py", line
134, in doit
  File "h:\pure_pylib\math\sympy\sympy\integrals\integrals.py", line
307, in _eval_integral
  File "h:\pure_pylib\math\sympy\sympy\integrals\risch.py", line 170,
in heurisch
  File "h:\pure_pylib\math\sympy\sympy\integrals\risch.py", line 54,
in components
  File "h:\pure_pylib\math\sympy\sympy\integrals\risch.py", line 36,
in components
AttributeError: 'tuple' object has no attribute 'has'
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