fix small nit

app.py

@@ -37,7 +37,7 @@ def query(payload):
     
 def inference(input_sentence, max_length, no_repeat_ngram_size, num_beams, temperature,top_k, top_p, greedy_decoding, seed=42):
     top_k = None if top_k == 0 else top_k
-    greedy = False if num_beams > 0
+    greedy = False if num_beams > 0 else greedy_decoding
     payload = {"inputs": input_sentence,
                "parameters": {"max_new_tokens": max_length, "top_k": top_k, "top_p": top_p, "temperature": temperature,
                               "do_sample": not greedy_decoding, "seed": seed, "early_stopping":num_beams > 0, "no_repeat_ngram_size":no_repeat_ngram_size}}