Tidy up connection logic (#90)

* Add code:

* code

* code

---------

Co-authored-by: Freddy Boulton <freddyboulton@hf-freddy.local>

demo/moonshine_live/app.py

@@ -1,16 +1,17 @@
+from functools import lru_cache
+from typing import Generator, Literal
+
+import gradio as gr
+import numpy as np
 from fastrtc import (
-    Stream,
     AdditionalOutputs,
-    audio_to_float32,
     ReplyOnPause,
+    Stream,
+    audio_to_float32,
     get_twilio_turn_credentials,
 )
-from functools import lru_cache
-import gradio as gr
-from typing import Generator, Literal
-from numpy.typing import NDArray
-import numpy as np
 from moonshine_onnx import MoonshineOnnxModel, load_tokenizer
+from numpy.typing import NDArray
 
 
 @lru_cache(maxsize=None)