Update pipeline.py

pipeline.py

@@ -149,9 +149,13 @@ async def convert_text_to_speech(
     speaker_dict = {
         "tw": {"male": "twi_speaker_5", "female": "twi_speaker_7"},
         "ee": {"male": "ewe_speaker_3", "female": None},
+        "en": {"male": "twi_speaker_5", "female": "twi_speaker_7"} # use twi code-switching for english
     }
     speaker_id = speaker_dict[language][speaker]
+
     data = {"text": text, "language": language, "speaker_id": speaker_id}
+    if language == "en": # in this case use the code-switching capability of the Twi for English
+        data = {"text": text, "language": "tw", "speaker_id": speaker_id}
 
     try:
         async with semaphore: