def normalize_type(self, names):
        """Decide if this param is an arg or a kwarg and set appropriate internal flags"""
        self.name = names[0]
        self.is_kwarg = False
        self.is_arg = False
        self.names = []

        try:
            # http://stackoverflow.com/a/16488383/5006 uses ask forgiveness because
            # of py2/3 differences of integer check
            self.index = int(self.name)
            self.name = ""
            self.is_arg = True

        except ValueError:
            self.is_kwarg = True
            self.names = names
Decide if this param is an arg or a kwarg and set appropriate internal flags