Fix image path in the README's first code example

README.md

@@ -52,7 +52,7 @@ import open_clip
 model, _, preprocess = open_clip.create_model_and_transforms('ViT-B-32', pretrained='laion2b_s34b_b79k')
 tokenizer = open_clip.get_tokenizer('ViT-B-32')
 
-image = preprocess(Image.open("CLIP.png")).unsqueeze(0)
+image = preprocess(Image.open("docs/CLIP.png")).unsqueeze(0)
 text = tokenizer(["a diagram", "a dog", "a cat"])
 
 with torch.no_grad(), torch.cuda.amp.autocast():