Update models/speech_interface.py

models/speech_interface.py

@@ -1,6 +1,9 @@
 import streamlit as st
 import speech_recognition as sr
-import pyttsx3
+try:
+    import pyttsx3
+except Exception:
+    pyttsx3 = None
 from gtts import gTTS
 import io
 import tempfile
@@ -59,12 +62,15 @@ class SpeechInterface:
         }
         
         # Initialize text-to-speech engine
-        try:
-            self.tts_engine = pyttsx3.init()
-            self.tts_engine.setProperty('rate', 150)  # Speed of speech
-            self.tts_engine.setProperty('volume', 0.9)  # Volume level
-        except Exception as e:
-            logger.warning(f"Could not initialize TTS engine: {e}")
+        if pyttsx3 is not None:
+            try:
+                self.tts_engine = pyttsx3.init()
+                self.tts_engine.setProperty('rate', 150)  # Speed of speech
+                self.tts_engine.setProperty('volume', 0.9)  # Volume level
+            except Exception as e:
+                logger.warning(f"Could not initialize TTS engine: {e}")
+                self.tts_engine = None
+        else:
             self.tts_engine = None
 
     def has_tts(self) -> bool: