Update app.py

Corrected spelling mistake in line 135
"latter" > "later"

app.py

@@ -132,7 +132,7 @@ def start_tryon(person_img, garment_img, seed, randomize_seed):
  result_img = cv2.cvtColor(result_img, cv2.COLOR_RGB2BGR)
  info = "Success"
  else:
- info = "Try again latter"
+ info = "Try again later"
  else:
  print(response.text)
  info = "URL error, pleace contact the admin"