Update model.py

model.py

@@ -16,7 +16,12 @@ import re
 
 # === Pipelines ===
 summarizer = pipeline("summarization", model="google/pegasus-xsum")
-qa_pipeline = pipeline("question-answering", model="distilbert-base-cased-distilled-squad")
+qa_pipeline = pipeline(
+    "question-answering",
+    model="distilbert-base-cased-distilled-squad",
+    tokenizer="distilbert-base-cased-distilled-squad"
+)
+
 emotion_model = pipeline("text-classification", model="j-hartmann/emotion-english-distilroberta-base", top_k=1)
 
 # === Brief Summarization ===