initialize pipeline outside function

kokoro_tts.py

@@ -19,9 +19,15 @@ except:
         return pipeline(text, voice=voice, speed=speed, split_pattern=r"\.")
 
 
+pipeline = KPipeline(lang_code="a")
+try:
+    pipeline = pipeline.to("cuda")
+except:
+    logging.warning("CUDA not available, using CPU")
+
+
 def generate_audio(
     text,
-    pipeline=KPipeline(lang_code="a"),
     voice="af_heart",
     speed=1,
     save_segments=False,
@@ -40,11 +46,6 @@ def generate_audio(
     Returns:
         numpy.ndarray: Combined audio data at 24kHz sample rate
     """
-    try:
-        pipeline = pipeline.to("cuda")
-    except:
-        logging.warning("CUDA not available, using CPU")
-
     generator = get_generator(pipeline, text, voice, speed, split_pattern="\.")
 
     all_audio = []