Add defaults to the function

modules/translation/nllb_inference.py

@@ -35,7 +35,7 @@ class NLLBInference(TranslationBase):
                      model_size: str,
                      src_lang: str,
                      tgt_lang: str,
-                     progress: gr.Progress
+                     progress: gr.Progress = gr.Progress()
                      ):
         if model_size != self.current_model_size or self.model is None:
             print("\nInitializing NLLB Model..\n")

modules/translation/translation_base.py

@@ -37,7 +37,7 @@ class TranslationBase(ABC):
                      model_size: str,
                      src_lang: str,
                      tgt_lang: str,
-                     progress: gr.Progress
+                     progress: gr.Progress = gr.Progress()
                      ):
         pass