Use bytes.hex() in secrets.token_hex()

Lib/secrets.py

@@ -13,7 +13,6 @@ __all__ = ['choice', 'randbelow', 'randbits', 'SystemRandom',
 
 
 import base64
-import binascii
 
 from hmac import compare_digest
 from random import SystemRandom
@@ -56,7 +55,7 @@ def token_hex(nbytes=None):
     'f9bf78b9a18ce6d46a0cd2b0b86df9da'
 
     """
-    return binascii.hexlify(token_bytes(nbytes)).decode('ascii')
+    return token_bytes(nbytes).hex()
 
 def token_urlsafe(nbytes=None):
     """Return a random URL-safe text string, in Base64 encoding.