exporting _NUMEXPR_VERSION as well

anjsudh · anjsudh · commit caaf634ed03a · 2018-12-30T16:00:56.000+05:30
diff --git a/pandas/core/computation/check.py b/pandas/core/computation/check.py
@@ -21,4 +21,4 @@
 except ImportError:  # pragma: no cover
     pass
 
-__all__ = ['_NUMEXPR_INSTALLED']
+__all__ = ['_NUMEXPR_INSTALLED', '_NUMEXPR_VERSION']
