Use generator expressions (#569)

Avoids building a list in memory unnecessarily. Generator expressions are evaluated lazily.
jpadilla · Dec 21, 2020 · 9a20ab3 · 9a20ab3
1 parent 5ddab7c
commit 9a20ab3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jwt/algorithms.py b/jwt/algorithms.py
@@ -180,7 +180,7 @@ def prepare_key(self, key):
             b"ssh-rsa",
         ]
 
-        if any([string_value in key for string_value in invalid_strings]):
+        if any(string_value in key for string_value in invalid_strings):
             raise InvalidKeyError(
                 "The specified key is an asymmetric key or x509 certificate and"
                 " should not be used as an HMAC secret."