human
Solve the following python programming problem given the following code:
def init_progress(self) : 
    def _foo() : 
        self.w.btn_intr_eval.set_enabled (True) 
        self.w.eval_pgs.set_value (0.0) 
if self.gui_up : 
        self.fv.gui_do (self) 

    
    

    Fix the buggy line: self.fv.gui_do (self)
assistant
#Here is Python program to fix the buggy line: self.

self.fv.gui_do (def _foo()