silence callable warning in hmac

diff --git a/Lib/hmac.py b/Lib/hmac.py
index 729ef38ce7601eec8b0316dfc95bb70bbc87cf92..538810630cf3ad5a471082e74f0a1e7d990b10c1 100644 (file)
--- a/Lib/hmac.py
+++ b/Lib/hmac.py
@@ -41,7 +41,7 @@ class HMAC:
             import hashlib
             digestmod = hashlib.md5
 
-        if callable(digestmod):
+        if hasattr(digestmod, '__call__'):
             self.digest_cons = digestmod
         else:
             self.digest_cons = lambda d='': digestmod.new(d)