I am writing a program that pastes one jpeg onto another, however one of my functions stops recognizing an object as a jpeg file for unknown reasons.
My output is
"inside_select_letter_to_paste, letter to paste is a <class 'NoneType'>.
and then
AttributeError: 'NoneType' object has no attribute 'save'
Why is letter_to_paste not being recognized as a JPEG object despite the lines to open it and resize it as a thumbail working properly?
Thanks.
def select_letter_to_paste():
letter_to_paste = Image.open(f'{letter_folder}\TEST-A.jpg')
letter_to_paste = letter_to_paste.thumbnail((100,100))
print(f'inside select_letter_to_paste, letter_to_paste is a {type(letter_to_paste)}.')
letter_to_paste.save('test_letter.jpg')
return letter_to_paste
Image.thumbnail
modifies the image in-place and returns None
.
The line
letter_to_paste = letter_to_paste.thumbnail((100,100))
is assigning None
to letter_to_paste
. Change it to
letter_to_paste.thumbnail((100,100))