__all__ for several more modules
diff --git a/Lib/pstats.py b/Lib/pstats.py
index 764d89c..ea459d7 100644
--- a/Lib/pstats.py
+++ b/Lib/pstats.py
@@ -39,6 +39,8 @@
 
 import fpformat
 
+__all__ = ["Stats"]
+
 class Stats:
     """This class is used for creating reports from data generated by the
     Profile class.  It is a "friend" of that class, and imports data either