@property<EOL><INDENT>def input_size(self):<DEDENT>
shape = self.input_shape<EOL>if shape is None:<EOL><INDENT>raise util.ConfigurationError(<EOL>'<STR_LIT>'.format(self.name))<EOL><DEDENT>return shape[-<NUM_LIT:1>]<EOL>
Size of layer input (for layers with one input).