Update utils/audio_processing.py

utils/audio_processing.py

@@ -31,10 +31,16 @@ def download_audio_as_wav(url, max_filesize_mb=70):
             cookies_b64 = os.getenv("cookies")
             if not cookies_b64:
                 raise EnvironmentError("cookies environment variable not set.")
-        
-            # Decode and write cookies.txt
+
+            def safe_base64_decode(data):
+                # Fix padding if necessary
+                missing_padding = len(data) % 4
+                if missing_padding:
+                    data += "=" * (4 - missing_padding)
+                return base64.b64decode(data)
+                    # Decode and write cookies.txt
             with open(temp_cookie_path, "wb") as f:
-                f.write(base64.b64decode(cookies_b64))
+                f.write(safe_base64_decode(cookies_b64))
 
             # yt-dlp download command
             download_cmd = [