Traceback (most recent call last):
  File "C:/Python34/constest/createImage.py", line 34, in <module>
    imageCreator("id_111_33333.png", 123)
  File "C:/Python34/constest/createImage.py", line 12, in imageCreator
    image.paste(qr_image, (1,0,x,y))
  File "C:\Python34\lib\site-packages\PIL\Image.py", line 1351, in paste
    self.im.paste(im, box)
ValueError: images do not match

from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
from PIL import ImageOps
def imageCreator(link, ident):
    size = width, height = 39, 43
    image = Image.new("1", size, "#ccc")
    qr_image = Image.open(link, 'r')
    x, y = qr_image.size
    
    image.paste(qr_image, (0,0,x,y))
    id_size = len(str(ident))
    
    if id_size:
        null = str()
        
        while id_size != 7:
            id_size +=1
            null += '0'
        ident = str(null) + str(ident)
    # draw image
    draw = ImageDraw.Draw(image)
    font = ImageFont.truetype("tahoma.ttf", 9)
    draw.text((3, 33), ident, "#000", font=font)
    final_image = ImageOps.expand(image, border=1, fill='black')
    final_image.save("file.png")
    final_image.show()
imageCreator("id_111_33333.png", 123)

 image.paste(qr_image, (1,0,x,y))