Update app.py

app.py

@@ -1,10 +1,14 @@
 import os
+import numpy as np
 from pathlib import Path
 from flask import Flask, request, jsonify
 from flask_cors import CORS
 from transformers import AutoTokenizer, AutoModelForCausalLM
 import torch
 
+# Verify numpy version
+assert np.__version__.startswith('1.'), f"Invalid numpy version {np.__version__} - must be 1.x series"
+
 # Create cache directory if not exists
 cache_dir = Path(os.getenv('TRANSFORMERS_CACHE', '/app/cache'))
 cache_dir.mkdir(parents=True, exist_ok=True)