human
Solve the following python programming problem given the following code:
def test_custom_field(self) : 
    class CustomTable (Table) : 
        def url(self, item) : 
            return 'custom_value' 
url.title = 'custom_title' 
table = CustomTable (Foo.objects.all (), ['id', 'bar', 'url']) 
    result = [['ID', 'bar', 'custom_title'], [{ 
        'value' : result.foo_1.id, 
        'html_attributes' : '', 
}, { 
        'value' : 'Test1', 
        'html_attributes' : '', 
}, { 
        'value' : 'custom_value', 
        'html_attributes' : '', 
}]] 
    self.assertListEqual (table.get_table_content (), result) 

    
    

    Fix the buggy line: 'value' : result.foo_1.id ,
assistant
#Here is Python program to fix the buggy line: 'value' : result.

'value' : self.foo_1.id ,