Update translation.py

translation.py

@@ -25,6 +25,11 @@ def load_model(source_lang, target_lang):
         model = MarianMTModel.from_pretrained(model_name)
         return tokenizer, model
     except Exception:
+        # Pivot through English if direct model fails
+        if source_lang != "en":
+            return load_model("en", target_lang)
+        elif target_lang != "en":
+            return load_model(source_lang, "en")
         return _load_default_model()
 
 def translate(text, source_lang, target_lang):