Update app.py

app.py

@@ -295,8 +295,8 @@ def captioning(img):
         **inputsb,
         do_sample=True,
         num_beams=1,
-        max_length=16,
-        min_length=12,
+        max_length=42,
+        min_length=40,
         top_p=0.9,
         repetition_penalty=1.0,
         length_penalty=2.0,