Update app.py

app.py

@@ -6,20 +6,18 @@ from transformers import AutoTokenizer, AutoModelForCausalLM
 import spaces  # Mandatory library for Hugging Face ZeroGPU [1]
 
 MODEL_ID = "DevStudio-AI/Devstudio-Coder-1.5B"
-
 # Fetch your secure token from the Space Secrets environment
 HF_TOKEN = os.environ.get("HF_TOKEN")
 
 print("Loading tokenizer and base model...")
 
-# Pass the token parameter and force use_fast=False to bypass the tokenizer.json loading bug [1.3.1]
+# 1. Load the tokenizer from the official, guaranteed-clean Qwen repository
+# This bypasses any local repository file corruption or cache issues
 tokenizer = AutoTokenizer.from_pretrained(
-    MODEL_ID, 
-    token=HF_TOKEN,
-    use_fast=False
+    "Qwen/Qwen2.5-Coder-1.5B-Instruct"
 )
 
-# We load the model in 16-bit on CPU first
+# 2. We load your custom model in 16-bit on CPU first
 # ZeroGPU will automatically move the model to the GPU when the decorated function runs [1]
 model = AutoModelForCausalLM.from_pretrained(
     MODEL_ID,