PY2: UUID accepts both unicode and str (#2478)

stdlib/2and3/uuid.pyi

@@ -1,7 +1,7 @@
 # Stubs for uuid
 
 import sys
-from typing import Tuple, Optional, Any
+from typing import Tuple, Optional, Any, Text
 
 # Because UUID has properties called int and bytes we need to rename these temporarily.
 _Int = int
@@ -9,7 +9,8 @@ _Bytes = bytes
 _FieldsType = Tuple[int, int, int, int, int, int]
 
 class UUID:
-    def __init__(self, hex: Optional[str] = ..., bytes: Optional[_Bytes] = ...,
+    def __init__(self, hex: Optional[Text] = ...,
+                 bytes: Optional[_Bytes] = ...,
                  bytes_le: Optional[_Bytes] = ...,
                  fields: Optional[_FieldsType] = ...,
                  int: Optional[_Int] = ...,