Whitespace normalization.
diff --git a/Lib/hmac.py b/Lib/hmac.py
index 6af564e..cae0800 100644
--- a/Lib/hmac.py
+++ b/Lib/hmac.py
@@ -35,7 +35,7 @@
         self.outer = digestmod.new()
         self.inner = digestmod.new()
         self.digest_size = digestmod.digest_size
-        
+
         blocksize = 64
         ipad = "\x36" * blocksize
         opad = "\x5C" * blocksize
@@ -97,4 +97,3 @@
     method.
     """
     return HMAC(key, msg, digestmod)
-