\[ \int \frac {\text {Si}(b x)}{x} \, dx \]
Optimal antiderivative \[ \frac {b x \hypergeom \left (\left [1, 1, 1\right ], \left [2, 2, 2\right ], -i b x \right )}{2}+\frac {b x \hypergeom \left (\left [1, 1, 1\right ], \left [2, 2, 2\right ], i b x \right )}{2} \]
command
integrate(Si(b*x)/x,x)
Sympy 1.10.1 under Python 3.10.4 output
\[ b x {{}_{2}F_{3}\left (\begin {matrix} \frac {1}{2}, \frac {1}{2} \\ \frac {3}{2}, \frac {3}{2}, \frac {3}{2} \end {matrix}\middle | {- \frac {b^{2} x^{2}}{4}} \right )} \]
Sympy 1.8 under Python 3.8.8 output
\[ \text {Exception raised: AttributeError} \]________________________________________________________________________________________