Update app.py

app.py

@@ -224,7 +224,7 @@ def save_wav(audio, file_path):
         return False
 
 def load_tts_model():
-    """Load TTS model with retry logic and proper error handling"""
+    """Load TTS model - Force Tacotron2 for reliability"""
     global tts, model_loaded, current_model, voice_cloning_supported, model_loading, model_load_attempts
     
     if model_loading:
@@ -245,32 +245,30 @@ def load_tts_model():
         sys.stdin = StringIO('y\n')
         
         try:
-            print("🚀 Loading XTTS model...")
+            print("🚀 Loading Tacotron2 model (most reliable)...")
             
-            # Try to load XTTS model
-            tts = TTS("tts_models/multilingual/multi-dataset/xtts_v2").to(DEVICE)
+            # Force Tacotron2 - it's the most reliable model
+            tts = TTS("tts_models/en/ljspeech/tacotron2-DDC").to(DEVICE)
+            
+            # Test the model
+            test_path = "/tmp/test_output.wav"
+            tts.tts_to_file(text="Test", file_path=test_path)
+            
+            if os.path.exists(test_path):
+                os.remove(test_path)
+                print("✅ Tacotron2 model tested and working!")
+            else:
+                raise Exception("Test failed - no file created")
             
             model_loaded = True
-            current_model = "xtts_v2"
-            voice_cloning_supported = True
-            print("✅ XTTS model loaded successfully")
+            current_model = "tts_models/en/ljspeech/tacotron2-DDC"
+            voice_cloning_supported = False  # Tacotron2 doesn't support voice cloning
+            print("✅ Tacotron2 model loaded successfully!")
             return True
             
         except Exception as e:
-            print(f"❌ XTTS model loading failed: {e}")
-            
-            # Try fallback model
-            try:
-                print("🔄 Trying fallback model...")
-                tts = TTS("tts_models/en/ljspeech/tacotron2-DDC").to(DEVICE)
-                model_loaded = True
-                current_model = "tacotron2-DDC"
-                voice_cloning_supported = False
-                print("✅ Fallback model loaded successfully")
-                return True
-            except Exception as fallback_error:
-                print(f"❌ Fallback model also failed: {fallback_error}")
-                return False
+            print(f"❌ Tacotron2 model failed: {e}")
+            return False
                 
         finally:
             sys.stdin = old_stdin