language detection fix

app.py

@@ -559,11 +559,19 @@ second_of_silence.export("sil.wav", format='wav')
 def generate_speech(history,chatbot_role):
     # Must set autoplay to True first
     yield (history, chatbot_role, "", wave_header_chunk() )
+
+    first_sentence=True 
+    language="autodetect" # will predict from first sentence
+    
     for sentence, history in get_sentence(history,chatbot_role):
         if sentence != "":
+            if first_sentence:
+                language = detect_language(sentence) 
+                first_sentence=False 
+                
             print("BG: inserting sentence to queue")
             
-            generated_speech = generate_speech_for_sentence(history, chatbot_role, sentence,return_as_byte=True)
+            generated_speech = generate_speech_for_sentence(history, chatbot_role, sentence,return_as_byte=True,language=language)
             if generated_speech is not None:
                 _, audio_dict = generated_speech
                 # We are using byte streaming
@@ -571,9 +579,8 @@ def generate_speech(history,chatbot_role):
                 
             
 # will generate speech audio file per sentence
-def generate_speech_for_sentence(history, chatbot_role, sentence, return_as_byte=True):
-    language = "autodetect"
-
+def generate_speech_for_sentence(history, chatbot_role, sentence, return_as_byte=True, language="autodetect"):
+   
     wav_bytestream = b""
     
     if len(sentence)==0: