add list and augment functionality + tests

textattack/shared/utils/misc.py

@@ -1,4 +1,5 @@
 import random
+
 import numpy as np
 import torch
 
@@ -80,6 +81,7 @@ def load_textattack_model_from_path(model_name, model_path):
         raise ValueError(f"Unknown textattack model {model_path}")
     return model
 
+
 def set_seed(random_seed):
     random.seed(random_seed)
     np.random.seed(random_seed)