in asciimath_printer.py [0:0]
def _print_Integral(self, expr):
e, lims = expr.args
if len(lims) > 1:
return "int_(%s)^(%s) %s d%s" % (self._print(lims[1]), self._print(lims[2]), self._print(e), self._print(lims[0]))
else:
return "int %s d%s" % (self._print(e), self._print(lims))