Update order_assistant.py

order_assistant.py

@@ -56,13 +56,14 @@ class OrderAssistant:
             except sr.RequestError:
                 return "Sorry, I'm having trouble reaching the service"
 
-    async def text_to_speech(self, text):
-        # Ensure the body of the function is correctly indented
-        communicate = edge_tts.Communicate(text, "en-US-AriaNeural", rate="+0%", pitch="0Hz")
-        with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as tmp_file:
-            tmp_path = tmp_file.name
-            await communicate.save(tmp_path)
-        return tmp_path
+  async def text_to_speech(self, text):
+    # Change pitch from '0Hz' to a valid value, e.g., '+0Hz'
+    communicate = edge_tts.Communicate(text, "en-US-AriaNeural", rate="+0%", pitch="+0Hz")  # Changed '0Hz' to '+0Hz'
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".mp3") as tmp_file:
+        tmp_path = tmp_file.name
+        await communicate.save(tmp_path)
+    return tmp_path
+
 
     async def food_order_assistant(self, audio_input, food_type):
         greeting_text = "Welcome to the restaurant! What would you like to order today? Are you looking for Vegan, Halal, or Guilt-Free options?"