Merge branch 'master' into feat/efficient_loading

sentence_transformers/SentenceTransformer.py

@@ -5,11 +5,7 @@
 import stat
 from collections import OrderedDict
 import warnings
-from typing import List, Dict, Tuple, Iterable, Type, Union, Callable, Optional
-try:
-    from typing import Literal
-except ImportError:
-    from typing_extensions import Literal
+from typing import List, Dict, Tuple, Iterable, Type, Union, Callable, Optional, Literal
 import numpy as np
 from numpy import ndarray
 import transformers