def get_valid_image(image, resize: tuple = (50, 50)):
'''
Verify if <image> is a valid image or a path of an image. If resize is specified, the image returned will be resized
:param image: image (PIL.Image) object or path of a image
:param resize: new size of the image
:return: an instance of image object if <image> is valid, else None
'''
assert (Image.isImageType(image) or isinstance(
image,
str)), 'Invalid Type. Must be PIL.Image object or path of an image'
img = image if Image.IsImageType(image) else Image.open(
image) if type(image) == str and os.path.isfile(image) else None
if resize:
img.resize(resize)
return img
