Update backend/utils/model_io.py

backend/utils/model_io.py

@@ -1,12 +1,10 @@
-import joblib
-
-class ModelIO:
-    def save(self, model, path):
-        joblib.dump(model, path)
-
-    def load(self, path):
-        return joblib.load(path)
-
-
-
-
+import os
+import joblib
+
+class ModelIO:
+    def save(self, model, path):
+        os.makedirs(os.path.dirname(path), exist_ok=True)
+        joblib.dump(model, path)
+
+    def load(self, path):
+        return joblib.load(path)