Switched back to using MADLAD 3b model (from 7b) due to being GPU poor

model_translation.py

@@ -55,7 +55,7 @@ class ModelMADLAD(metaclass=Singleton):
     """Loads an instance of the Google MADLAD model (3B).
     """
     def __init__(self):
-        self._model_name = "google/madlad400-7b-mt"
+        self._model_name = "google/madlad400-3b-mt"
         self._tokenizer = AutoTokenizer.from_pretrained(
             self.model_name, use_fast=True
         )