message: viz: fix reversed stats_logger label
diff: @@ -230,7 +230,7 @@ class BaseViz(object):
  payload = cache.get(cache_key)
  if payload:
  - stats_logger.incr('loaded_from_source')
  + stats_logger.incr('loaded_from_cache')
  is_cached = True
  try:
  cached_data = zlib.decompress(payload)
  @@ -244,7 +244,7 @@ class BaseViz(object):
  logging.info("Serving from cache")
  if not payload:
  - stats_logger.incr('loaded_from_cache')
  + stats_logger.incr('loaded_from_source')
  data = None
  is_cached = False
  cache_timeout = self.cache_timeout
  