Fix audio type conversion (#259)

* Fix conversion between audio dtypes

* Run Pytest in CI

* Add pytest tests path in pyproject.toml

* Fix usages

* Use other PR's test format (more or less)

* Support legacy arguments

* Fix pyproject.toml and test location

* Omit `test` arg in CI, given by pyproject.toml

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Co-authored-by: Freddy Boulton <alfonsoboulton@gmail.com>

backend/fastrtc/reply_on_stopwords.py

@@ -161,7 +161,7 @@ class ReplyOnStopWords(ReplyOnPause):
 
         if duration >= self.algo_options.audio_chunk_duration:
             if not state.stop_word_detected:
-                audio_f32 = audio_to_float32((sampling_rate, audio))
+                audio_f32 = audio_to_float32(audio)
                 audio_rs = librosa.resample(
                     audio_f32, orig_sr=sampling_rate, target_sr=16000
                 )