Update app.py

app.py

@@ -35,6 +35,8 @@ queue_threshold = 100
 def add_random_noise(prompt, noise_level=1.00):
     if noise_level == 0:
         noise_level = 0.00
+    if noise_level == None:
+        noise_level = 1.00
     percentage_noise = noise_level * 5
     num_noise_chars = int(len(prompt) * (percentage_noise/100))
     noise_indices = random.sample(range(len(prompt)), num_noise_chars)