Update generate_speech function to accept max_new_tokens as a parameter and adjust default slider value to 1200

app.py

@@ -171,7 +171,7 @@ def update_char_count(text):
 # Main generation function with rate limiting
 @rate_limit
 @spaces.GPU(duration=45)
-def generate_speech(text, temperature=0.6, top_p=0.95, repetition_penalty=1.1, max_new_tokens, voice="Elise", progress=gr.Progress()):
+def generate_speech(text, temperature=0.6, top_p=0.95, repetition_penalty=1.1, max_new_tokens=1200, voice="Elise", progress=gr.Progress()):
     if not text.strip():
         gr.Warning("Please enter some text to generate speech.")
         return None