in source/lambda_function.py [0:0]
def blur_image(image_data, file_format):
img = Image.open(BytesIO(image_data))
blurred = img.filter(ImageFilter.GaussianBlur(32))
blurred_byte_arr = BytesIO()
blurred.save(blurred_byte_arr, format=file_format)
return blurred_byte_arr.getvalue()