Try to cleanup some stuff

app.py

@@ -1,5 +1,8 @@
+import glob
 import math
+import os
 import tempfile
+import time
 from typing import Optional, Tuple, Union
 
 import gradio as gr
@@ -144,8 +147,16 @@ def demo_fn(speech_upl: str, noise_type: str, snr: int, mic_input: str):
     ax_enh.clear()
     noisy_im = spec_im(sample, sr=sr, figure=fig_noisy, ax=ax_noisy)
     enh_im = spec_im(enhanced, sr=sr, figure=fig_enh, ax=ax_enh)
-    # noisy_wav = gr.make_waveform(noisy_fn, bar_count=200)
-    # enh_wav = gr.make_waveform(enhanced_fn, bar_count=200)
+    # Cleanup some old wav files
+    if os.path.exists("/tmp"):
+        days = 1
+        for f in glob.glob("/tmp/*wav"):
+            is_old = (time.time() - os.path.getmtime(f)) / 3600 > 24 * days
+            if is_old and f not in (enhanced_wav, noisy_wav):
+                try:
+                    os.remove(f)
+                except Exception as e:
+                    print(f"failed to remove file {f}: e")
     return noisy_wav, noisy_im, enhanced_wav, enh_im