Update app.py

app.py

@@ -40,6 +40,16 @@ def display_model_info(model_name):
     link = f"[Open model page]({info['link']})"
     return usage_code, link
 
+model_cache = {}
+def get_model(model_name):
+    if model_name not in model_cache:
+        model_cache[model_name] = pipeline(
+            "ner",
+            model=model_name,
+            aggregation_strategy="simple"  # safer for display
+        )
+    return model_cache[model_name]
+
 
 # -----------------------
 # NER function (SAFE OUTPUT)