Added additional crash fixes for graph and swap toggles

bpytop.py

@@ -1922,7 +1922,7 @@ class MemBox(Box):
 
 			if Collector.collect_interrupt: return
 			Draw.buffer("mem_misc", out_misc, only_save=True)
-
+		try:
 			#* Mem
 			cx = 1; cy = 1
 
@@ -1985,7 +1985,8 @@ class MemBox(Box):
 						out += f'{Meters.disks_free[name]}{item["free"][:None if big_disk else -2]:>{9 if big_disk else 7}}'
 						cy += 1
 						if len(mem.disks) * 4 <= h + 1: cy += 1
-
+		except (KeyError, TypeError):
+			return
 		Draw.buffer(cls.buffer, f'{out_misc}{out}{Term.fg}', only_save=Menu.active)
 		cls.resized = cls.redraw = False