fix: save_audio does not validate 1D input shape

[andrewwhitecdw]

This PR addresses the following issue in utils.py: save_audio does not validate 1D input shape.

Changes

• utils.py: save_audio does not validate 1D input shape.

Details

--- a/utils.py
+++ b/utils.py
@@ -1,3 +1,5 @@
-def save_audio(audio, path, sr):
-    # wav: torch with 1d shape
-    audio = audio * MAX_WAV_VALUE
+def save_audio(audio, path, sr):
+    # wav: torch with 1d shape
+    if audio.dim() != 1:
+        raise ValueError(f"save_audio expects 1D audio, got shape {audio.shape}")
+    audio = audio * MAX_WAV_VALUE

Tests

• tests/test_save_audio_validation.py

--- /dev/null
+++ b/tests/test_save_audio_validation.py
@@ -0,0 +1,12 @@
+import os
+import tempfile
+import pytest
+import torch
+from utils import save_audio
+
+
+def test_save_audio_rejects_non_1d_input():
+    with tempfile.TemporaryDirectory() as tmpdir:
+        path = os.path.join(tmpdir, "audio.wav")
+        two_d = torch.zeros(2, 100)
+        with pytest.raises(ValueError, match="expects 1D audio"):
+            save_audio(two_d, path, sr=22050)

[andrewwhitecdw]

Closing after multiple repair attempts: original patch no longer applies or auditor feedback remains unaddressed.

[andrewwhitecdw]

script closed on accident