Error "list" object is not callable in Web automatic switching window

#  Repack switch_to.window

def is_open_new_window(self,current_handles) #  Parameter name and new_window_is_opened Duplicate formal parameters of 
    
    """
     Check whether a new window opens , Switch to a new window if there is one 
    """

    if EC.new_window_is_opened(all_handles): 
        self.driver.switch_to.window(self.driver.window_handles[-1])

#  To write page object 
def to_new_page(self):

    """  Click button , Jump to a new page  """
    WebDriverWait(self.driver).until(EC.visiblity_of_element_located((By.ID,index.list_fc))

    window_handles = self.driver.window_handles  
    # window_handles  and window_handles() repeat 

    self.click(index.list_fc)
    self.is_open_new_window(handles_index)   #  Call the repackaged method 
    

The above is the error code , Rewritten by impression , Can't emersion , For reference only .

The solution is , Check variable name , Whether the method name is related to the variable , Method , Duplicate formal parameter name

The modified code

#  Repack switch_to.window

def is_open_new_window(self,all_handles)
    """
     Check whether a new window opens , Switch to a new window if there is one 
    """

    if EC.new_window_is_opened(all_handles): #  The argument is named all_handles
        self.driver.switch_to.window(self.driver.window_handles[-1])

#  To write page object 
def to_new_page(self):
    """  Click button , Jump to a new page  """
    WebDriverWait(self.driver).until(EC.visiblity_of_element_located((By.ID,index.list_fc))
    handles_index = self.driver.window_handles    #  Revised window_handles, and window_handles The method has the same name 
    self.click(index.list_fc)
    self.is_open_new_window(handles_index)
    
    #  Report errors "list" object is not callable