Merge pull request #106 from swt2c/replace_datetime_utcnow

Replace deprecated datetime.utcnow() with datetime.now()

suds/wsse.py

@@ -95,7 +95,7 @@ def now(cls):
 
     @classmethod
     def utc(cls):
-        return datetime.utcnow().replace(tzinfo=UtcTimezone())
+        return datetime.now(tz=UtcTimezone())
 
     @classmethod
     def sysdate(cls):