Update app.py

app.py

@@ -67,7 +67,7 @@ def predict_step_pixel(dataset_pixel_values, model):
     image methods
 """
 def load_image2txt_model(image_model_name):
-    model = VisionEncoderDecoderModel.from_pretrained(image_model_name)
+    model = VisionEncoderDecoderModel.from_pretrained(image_model_name, local_files_only=True)
     feature_extractor = AutoFeatureExtractor.from_pretrained("microsoft/swin-large-patch4-window7-224", use_auth_token=auth_token)
     
     tokenizer = GPT2Tokenizer.from_pretrained("gpt2", use_auth_token=auth_token)