set pad_token_id explicitly in suggest_next_word function

app.py

@@ -24,6 +24,7 @@ def suggest_next_word(prompt, num_suggestions=3,temper=0.7):
         do_sample=True,
         top_k=50,  # Adjust for randomness in suggestions
         temperature=temper,  # Adjust for creativity in suggestions
+        pad_token_id=tokenizer.eos_token_id,  # Set pad_token_id explicitly
     )
     # Decode and extract next words
     suggestions = []