def num_channels(self):
if(self.inspect_value('<STR_LIT:index>') is None):<EOL><INDENT>if(len(self.generators)><NUM_LIT:0>):<EOL><INDENT>return self.generators[<NUM_LIT:0>].num_channels()<EOL><DEDENT>return <NUM_LIT:0><EOL><DEDENT>return self.get_current_generator().num_channels()<EOL>
Get the number of channels in the input generators.