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app.py

@@ -282,14 +282,21 @@ def finetune_voice(segment_paths, epochs, learning_rate, batch_size, progress_ca
     home = Path.home()
     search_roots = [cwd, home, Path("/app"), Path("/home/user")]
     found_any = False
+    voice_model_resolved = VOICE_MODEL_DIR.resolve()
     for root in search_roots:
         if not root.exists():
             continue
         for pattern in ["**/model_last*.pt", "**/model_last*.safetensors",
                         "**/ckpts/**/*.pt", "**/ckpts/**/*.safetensors"]:
             for f in root.glob(pattern):
-                shutil.copy2(str(f), str(VOICE_MODEL_DIR / f.name))
-                logger.info(f"Copied checkpoint: {f} -> {VOICE_MODEL_DIR / f.name}")
+                dest = VOICE_MODEL_DIR / f.name
+                # Skip if source and destination are the same file
+                if f.resolve() == dest.resolve():
+                    logger.info(f"Skipping (same file): {f}")
+                    found_any = True
+                    continue
+                shutil.copy2(str(f), str(dest))
+                logger.info(f"Copied checkpoint: {f} -> {dest}")
                 found_any = True
     if not found_any:
         # Log what's in common checkpoint dirs for debugging