Revert "cli: status: remove unused code"

This reverts commit ac27b4076a.

Fixes #1727

dvc/command/status.py

@@ -18,6 +18,10 @@ class CmdDataStatus(CmdDataBase):
     def _show(self, status, indent=0):
         ind = indent * self.STATUS_INDENT
 
+        if isinstance(status, str):
+            logger.info("{}{}".format(ind, status))
+            return
+
         if isinstance(status, list):
             for entry in status:
                 self._show(entry, indent)