Fix RuntimeError and Test

.gitignore

@@ -1 +1,5 @@
-tests/
+tests/
+.myvenv/
+__pycache__/
+*.pyc
+.env

app/audio_utils.py

@@ -48,7 +48,7 @@ def ensure_wav_16k_mono(src_path: str, dest_path: str):
     cmd = f'ffmpeg -v error -y -i "{src_path}" -ar 16000 -ac 1 -acodec pcm_s16le "{dest_path}"'
     proc = subprocess.run(shlex.split(cmd), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     if proc.returncode != 0:
-        raise RuntimeError(f"ffmpeg convert failed: {proc.stderr.decode(errors="ignore")}")
+        raise RuntimeError(f"ffmpeg convert failed: {proc.stderr.decode(errors='ignore')}")
     return dest_path
 
 def make_temp_path(suffix=".wav"):

test/conftest.py

@@ -4,7 +4,6 @@ from pathlib import Path
 import os
 import tempfile
 import re
-
 import pytest
 
 # helper to synthesize a sine wave (mono) wav file

test/test_long_performance.py

@@ -2,7 +2,7 @@ import os
 import time
 import pytest
 from pathlib import Path
-from tests.conftest import generate_sine_wav
+from conftest import generate_sine_wav
 from app.model import transcribe_file
 
 @pytest.mark.skipif(os.getenv("RUN_LONG_TESTS", "0") != "1", reason="long tests disabled by default")

test/test_short_and_chunk.py

@@ -1,9 +1,8 @@
 import os
 from pathlib import Path
 import pytest
-
 from app.model import transcribe_file, _split_audio_to_chunks, _merge_transcripts
-from tests.conftest import generate_sine_wav
+from conftest import generate_sine_wav
 
 def test_short_audio_direct(tmp_path, fake_pipeline):
     # create short wav: 5s
@@ -18,7 +17,7 @@ def test_chunk_split_and_merge(tmp_path):
     # Create audio ~75s to force chunking into 3 chunks with (L=30, O=5) -> starts 0,25,50
     p = tmp_path / "long75.wav"
     # 75s sine; note: generating >60s may be heavy; for CI shorten if needed
-    from tests.conftest import generate_sine_wav
+    from conftest import generate_sine_wav
     generate_sine_wav(str(p), duration_s=75.0)
     # Use internal split function to inspect chunking
     chunks = _split_audio_to_chunks(str(p), chunk_length_s=30.0, overlap_s=5.0)