Update app.py

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import torch
 import numpy as np
 import re
 import soundfile as sf
@@ -34,7 +35,7 @@ except Exception as e:
 class LongFormTTS:
     def __init__(self):
         self.tts = tts
-        self.speakers = speakers
+        self.speakers = speakers  # Store available speakers
         self.sample_rate = 22050  # Coqui default sample rate
 
     def preprocess_text(self, text):
@@ -213,7 +214,11 @@ def create_interface():
                     info="Supports any length text with automatic chunking for optimal quality"
                 )
                 char_count = gr.HTML("<span style='color: #666;'>Character count: 0 / 50,000</span>")
-                speaker_dropdown = gr.Dropdown(choices=tts_system.speakers if tts_system else [], value="p225", label="🗣️ Choose Voice")
+                speaker_dropdown = gr.Dropdown(
+                    choices=tts_system.speakers if tts_system else [],
+                    value="p225" if tts_system else None,
+                    label="🗣️ Choose Voice"
+                )
                 generate_btn = gr.Button("🎯 Generate Speech", variant="primary", size="lg", scale=1)
             with gr.Column(scale=1):
                 gr.HTML("""