Add future_stmt to simple_stmt production list. (GH-8239)

andresdelfino · serhiy-storchaka · commit cdb96f45b61a · 2018-11-07T19:32:18.000+02:00
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
@@ -25,6 +25,7 @@ simple statements is:
               : | `break_stmt`
               : | `continue_stmt`
               : | `import_stmt`
+              : | `future_stmt`
               : | `global_stmt`
               : | `nonlocal_stmt`
 
