Find if callable is function or method.

def _in_class(self, node):
        """Find if callable is function or method."""
        # Move left one indentation level and check if that callable is a class
        indent = self._get_indent(node)
        for indent_dict in reversed(self._indent_stack):  # pragma: no branch
            if (indent_dict["level"] < indent) or (indent_dict["type"] == "module"):
                return indent_dict["type"] == "class"