Fix bug with recursive branching.

Author: mkskeller

Compiler/types.py

@@ -6636,7 +6636,8 @@ def __getitem__(self, index):
         if isinstance(index, int) and index < 0:
             index += self.sizes[0]
         key = program.curr_tape, tuple(
-            (x, x.has_else) for x in program.curr_tape.if_states), str(index)
+            (x, None if isinstance(x, bool) else x.has_else)
+            for x in program.curr_tape.if_states), str(index)
         if key not in self.sub_cache:
             index = self.check(index, self.sizes[0], self.sizes)
             if len(self.sizes) == 2: