Drop leading underscore from UTC._ZERO

bgilbert · bgilbert · commit 7b3e4623da53 · 2014-05-02T00:40:12.000-04:00
diff --git a/github3/utils.py b/github3/utils.py
@@ -34,19 +34,19 @@ class UTC(tzinfo):
     """Yet another UTC reimplementation, to avoid a dependency on pytz or
     dateutil."""
 
-    _ZERO = timedelta(0)
+    ZERO = timedelta(0)
 
     def __repr__(self):
         return 'UTC()'
 
     def dst(self, dt):
-        return self._ZERO
+        return self.ZERO
 
     def tzname(self, dt):
         return 'UTC'
 
     def utcoffset(self, dt):
-        return self._ZERO
+        return self.ZERO
 
 
 def stream_response_to_file(response, path=None):
