Blessing of Heaven: lastTile must be None and no exposed tiles

src/rulecode.py

@@ -1282,7 +1282,8 @@ class BlessingOfHeaven(RuleCode):
             return False
         if hand.ownWind is not East:
             return False
-        assert hand.lastTile.isConcealed, '{}: Blessing of Heaven: last tile must be concealed'.format(hand)
+        assert not any(x.isExposed for x in hand.melds)
+        assert hand.lastTile is None, '{}: Blessing of Heaven: There can be no last tile'.format(hand)
         return True
 
     def selectable(hand):

src/scoringtest.py

@@ -705,11 +705,11 @@ class Blessing(Base):
     """blessing of heaven or earth"""
 
     def testMe(self):
-        self.scoreTest('s4s5s6 RS1S2S3B6B6B7B7B8B8 b5b5 fn yn m1 LS1S1S2S3',
+        self.scoreTest('s4s5s6 RS1S2S3B6B6B7B7B8B8 b5b5 fn yn m1',
                        [Win(limits=1), NoWin()])
-        self.scoreTest('s4s5s6 RS1S2S3B6B6B7B7B8B8 b5b5 fn yn m1 LS1S1S2S3',
+        self.scoreTest('s4s5s6 RS1S2S3B6B6B7B7B8B8 b5b5 fn yn m1',
                        [Win(limits=1), NoWin()])
-        self.scoreTest('s4s5s6 RS1S1S1B6B6B6B8B8B8 b5b5 fn yn m1 LS1S1S1S1',
+        self.scoreTest('s4s5s6 RS1S1S1B6B6B6B8B8B8 b5b5 fn yn m1',
                        Win(limits=1))
         self.scoreTest('s4s5s6 RS1S2S3B6B6B7B7B8B8 b5b5 fn yn m1 Ls4s4s5s6',
                        [Win(limits=1), NoWin()], myWind=West)