fix model ids

app.py

@@ -10,13 +10,13 @@ def load_model(model_size: str = "32B"):
     Note: You'll need to replace these with actual HuggingFace model IDs
     """
     model_map = {
-        "0.5B": "Qwen/Qwen-0.5B",
-        "1.5B": "Qwen/Qwen-1.5B",
-        "7B": "Qwen/Qwen-7B",
+        "0.5B": "Qwen/Qwen2.5-Coder-0.5B",
+        "1.5B": "Qwen/Qwen2.5-Coder-1.5B",
+        "7B": "Qwen/Qwen2.5-Coder-7B",
         # ... add other model sizes as needed
     }
     
-    model_id = model_map.get(model_size, "Qwen/Qwen-7B")  # default to 7B if size not found
+    model_id = model_map.get(model_size, "Qwen/Qwen2.5-Coder-7B")
     
     tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
     model = AutoModelForCausalLM.from_pretrained(