Update app.py

app.py

@@ -7,13 +7,14 @@ from model import ToyModel
 """
 Model specification
 """
-
-model = ToyModel()
+vision_model_path = 'clip-vit-base-patch32'
+language_model_path = 'gpt2'
+model = ToyModel(vision_model_path, language_model_path)
 
 
 def chat(image_input, text_input):
-    image_output, text_output = model.chat(image_input, text_input)
-    return image_output, text_output
+    text_output = model.chat(image_input, text_input)
+    return image_input, text_output
 
 
 """