human
Solve the following python programming problem given the following code:
def _on_input_timeout(self, cli) : 
    '
        When there is no input activity,
        in another thread, get the signature of the current code.
        ' 
    if (cli.current_buffer_name != DEFAULT_BUFFER) : 
        return 
if cli._get_signatures_thread_running : 
        return 
self._get_signatures_thread_running = True 
    buffer = cli.current_buffer 
    document = buffer.document 
    def run() : 
        script = get_jedi_script_from_document (document, self.get_locals (), self.get_globals ()) 
        if script : 
            try : 
                signatures = script.call_signatures () 
except ValueError : 
                signatures = [] 
except Exception : 
                signatures = [] 
else : 
                try : 
                    if signatures : 
                        signatures [0].params 
except AttributeError : 
                    pass 
else : 
            signatures = [] 
self._get_signatures_thread_running = False 
        if (buffer.text == document.text) : 
            self.signatures = signatures 
            if signatures : 
                string = signatures [0].docstring () 
                if (not isinstance (string, six.text_type)) : 
                    string = string.decode ('utf-8') 
cli.buffers ['docstring'].reset (initial_document = Document (string, cursor_position = 0)) 
else : 
                cli.buffers ['docstring'].reset () 
cli.request_redraw () 
else : 
            self._on_input_timeout (cli) 
cli.eventloop.run_in_executor (run) 

    
    

    Fix the buggy line: if cli._get_signatures_thread_running :
assistant
#Here is Python program to fix the buggy line: if cli.

if self._get_signatures_thread_running :