Merge pull request #19 from Blaizzy/pc/add-chat-ui

fix llava template

mlx_vlm/chat_ui.py

@@ -96,12 +96,22 @@ def chat(message, history, temperature, max_tokens):
 
     if message["files"]:
         chat.append(get_message_json(config["model_type"], message["text"]))
-
-    messages = processor.apply_chat_template(
-        chat,
-        tokenize=False,
-        add_generation_prompt=True,
-    )
+    else:
+        raise Exception("Please upload an image. Text only chat is not supported.")
+
+    if "chat_template" in processor.__dict__.keys():
+        messages = processor.apply_chat_template(
+            chat,
+            tokenize=False,
+            add_generation_prompt=True,
+        )
+
+    elif "tokenizer" in processor.__dict__.keys():
+        messages = processor.tokenizer.apply_chat_template(
+            chat,
+            tokenize=False,
+            add_generation_prompt=True,
+        )
     response = ""
     for chunk in generate(
         model,