human
Solve the following python programming problem given the following code:
@ renders ('text/plain') 
def plaintext(self, result) : 
    '
        Converts the image object into an ascii representation. Code taken from
        http://a-eter.blogspot.com/2010/04/image-to-ascii-art-in-python.html
        ' 
    from PIL import Image 
    ascii_chars = ['#', 'A', '@', '%', 'S', '+', '<', '*', ':', ',', '.'] 
    def image_to_ascii(image) : 
        image_as_ascii = [] 
        all_pixels = list (image.getdata ()) 
        for pixel_value in all_pixels : 
            index = (pixel_value / 25) 
            image_as_ascii.append (ascii_chars [index]) 
return image_as_ascii 
img = Image.open (result) 
    (width, heigth) = img.size 
    new_width = 80 
    new_heigth = int (((heigth * new_width) / width)) 
    new_image = img.resize ((new_width, new_heigth)) 
    new_image = new_image.convert ('L') 
    img_as_ascii = image_to_ascii (new_image) 
    img_as_ascii = ''.join ((ch for ch in img_as_ascii)) 
    out = [] 
    for c in range (0, len (img_as_ascii), new_width) : 
        out.append (out [c : (c + new_width)]) 
return '
'.join (out) 

    
    

    Fix the buggy line: out.append (out [c : (c + new_width)])
assistant
#Here is Python code to fix the buggy line: out.

out.append (img_as_ascii [c : (c + new_width)])