def _check_inputs(self):
try:<EOL><INDENT>_ = self._inputs[<NUM_LIT:0>]<EOL><DEDENT>except TypeError:<EOL><INDENT>raise RuntimeError(<EOL>"<STR_LIT>"<EOL>"<STR_LIT>".format(type(self._inputs), str(self._inputs)))<EOL><DEDENT>from melody.inputs import Input<EOL>for check_input in self._inputs:<EOL><INDENT>if not isinstance(check_input, Input):<EOL><INDENT>raise RuntimeError(<EOL>"<STR_LIT>"<EOL>"<STR_LIT>".format(type(check_input),<EOL>str(check_input)))<EOL><DEDENT><DEDENT>
make some basic checks on the inputs to make sure they are valid