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config.py

@@ -9,7 +9,10 @@ DATA_PATH = os.getenv("DATA_PATH", str(BASE_DIR / "data" / "cwv_features.csv"))
 MODEL_DIR = Path(os.getenv("MODEL_DIR", str(BASE_DIR / "models")))
 RANDOM_STATE = int(os.getenv("RANDOM_STATE", "42"))
 
-MODEL_DIR.mkdir(parents=True, exist_ok=True)
+try:
+    MODEL_DIR.mkdir(parents=True, exist_ok=True)
+except OSError:
+    pass  # e.g. read-only env (HF Space)
 
 # Default feature columns (override if your CSV uses different names)
 FEATURE_COLUMNS = [