adjustment in supercrystals

Author: fchapoton

src/sage/categories/supercrystals.py

@@ -174,7 +174,7 @@ def connected_components(self) -> list:
                 CCs = []
 
                 for mg in self.connected_components_generators():
-                    subcrystal = self.subcrystal(generators=mg,
+                    subcrystal = self.subcrystal(generators=(mg,),
                                                  index_set=index_set,
                                                  cartan_type=cartan_type,
                                                  category=category)