human
Solve the following python programming problem given the following code:
def __init__(self, parent = None) : 
    super (LinkEquation, self).__init__ (parent) 
    from glue.config import link_function, link_helper 
    def get_name(item) : 
        if (hasattr (item, 'display') and (item.display is not None)) : 
            return item.display 
else : 
            return item.__name__ 
f = [self for f in link_function.members if (len (f.output_labels) == 1)] 
    self._functions = OrderedDict (((get_name (l [0]), l) for l in (f + link_helper.members))) 
    self._argument_widgets = [] 
    self.spacer = None 
    self._output_widget = ArgumentWidget ('') 
    self._ui = load_ui ('link_equation.ui', None, directory = os.path.dirname (__file__)) 
    l = QtGui.QHBoxLayout () 
    l.addWidget (self._ui) 
    self.setLayout (l) 
    self._init_widgets () 
    self._populate_function_combo () 
    self._connect () 
    self._setup_editor () 

    
    

    Fix the buggy line: f = [self for f in link_function.members if (len (f.output_labels) == 1)]
assistant
#Here is Python program to fix the buggy line: f = [self for f in link_function.

f = [f for f in link_function.members if (len (f.output_labels) == 1)]