SymPy Gamma

Input:

plot%28y%3Dx%2Cy1%3Dx%5E2%2Cr%3Dcos%28theta%29%2Cr1%3Dsin%28theta%29%29

Error:

plot%28y%3Dx%2Cy1%3Dx%5E2%2Cr%3Dcos%28theta%29%2Cr1%3Dsin%28theta%29%29

unsupported operand type(s) for %: 'function' and 'Integer'

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