mechanic: fix stat unrolling

pqcli/mechanic.py

@@ -910,6 +910,7 @@ class StatsBuilder:
         return stats
 
     def unroll(self) -> Stats:
+        if len(self.history) > 1:
             self.history.pop()
         return self.history[-1]
 

pqcli/ui/curses/views/create_character_view.py

@@ -167,10 +167,7 @@ class ChooseCharacterStatsView(BaseView):
             self._stats = self._stats_builder.roll()
 
         elif key == curses.KEY_F6:
-            try:
             self._stats = self._stats_builder.unroll()
-            except IndexError:
-                pass
 
         self._render()
 

pqcli/ui/urwid/new_game_view.py

@@ -50,10 +50,7 @@ class StatsBox(CustomLineBox):
         self.update_values()
 
     def unroll(self) -> None:
-        try:
         self.stats = self.stats_builder.unroll()
-        except IndexError:
-            return
         self.update_values()
 
     def on_roll_press(self, _user_data: T.Any) -> None: