Render scalars

def _print_SCALAR_TYPES(self, expr, *args, **kwargs):
        """Render scalars"""
        adjoint = kwargs.get('adjoint', False)
        if adjoint:
            expr = expr.conjugate()
        if isinstance(expr, SympyBasic):
            self._sympy_printer._print_level = self._print_level + 1
            res = self._sympy_printer.doprint(expr)
        else:  # numeric type
            try:
                if int(expr) == expr:
                    # In Python, objects that evaluate equal (e.g. 2.0 == 2)
                    # have the same hash. We want to normalize this, so that we
                    # get consistent results when printing with a cache
                    expr = int(expr)
            except TypeError:
                pass
            if adjoint:
                kwargs = {
                    key: val for (key, val) in kwargs.items()
                    if key != 'adjoint'}
            res = self._print(expr, *args, **kwargs)
        return res