[cleanup] Publish GetData only with compat.query module

Change-Id: If3199372eb2c1c6ecfac8af50c3983a6aa879d85
---
M pywikibot/compat/query.py
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pywikibot/compat/query.py b/pywikibot/compat/query.py
index 9260edb..830f87a 100644
--- a/pywikibot/compat/query.py
+++ b/pywikibot/compat/query.py
@@ -7,7 +7,7 @@
 
 """
 #
-# (C) Pywikibot team, 2008-2018
+# (C) Pywikibot team, 2008-2019
 #
 # Distributed under the terms of the MIT license.
 #
@@ -43,3 +43,6 @@
         res_dummy.__dict__.update({'code': 0, 'msg': ''})
         return res_dummy, result
     return result
+
+
+__all__ = (GetData, )

