AttributeError: 'Database' object has no attribute 'remove' code example

Example 1: AttributeError: 'Database' object has no attribute 'remove'

def remove_item(self):
        db.remove(self.selected_item[0])
        self.clear_text()
        self.populate_list()

Example 2: AttributeError: 'Database' object has no attribute 'remove'

def remove_item(self):
        db.remove(self.selected_item[0])
        self.clear_text()
        self.populate_list()

Example 3: AttributeError: 'Database' object has no attribute 'remove'

def remove_item(self):
        db.remove(self.selected_item[0])
        self.clear_text()
        self.populate_list()

Example 4: AttributeError: 'Database' object has no attribute 'remove'

def remove_item(self):
        db.remove(self.selected_item[0])
        self.clear_text()
        self.populate_list()

Example 5: AttributeError: 'Database' object has no attribute 'remove'

def remove_item(self):
        db.remove(self.selected_item[0])
        self.clear_text()
        self.populate_list()