Fix on resume mode for extracted forest size job

code/train.py

@@ -141,7 +141,7 @@ def extracted_forest_size_job(extracted_forest_size_job_pb, extracted_forest_siz
         sub_models_dir_files = os.listdir(sub_models_dir)
         for file_name in sub_models_dir_files:
             if '.pickle' != os.path.splitext(file_name)[1]:
-                return
+                continue
             else:
                 already_exists = os.path.getsize(os.path.join(sub_models_dir, file_name)) > 0
                 break