diff --git a/day6/code.py b/day6/code.py
index 9d1b224..ad4f8e9 100644
--- a/day6/code.py
+++ b/day6/code.py
@@ -137,7 +137,10 @@ class Lab(object):
 
         cls()
         print(self)
-        while self.next():
+        while True:
+            ok, cyccled = self.next()
+            if not ok:
+                break                
             cls()
             print(self)
             print(self.cycles)
diff --git a/day7/code.py b/day7/code.py
index 3b1ecb0..63b914e 100644
--- a/day7/code.py
+++ b/day7/code.py
@@ -23,7 +23,6 @@ def _concat2(l: list[int]) -> list[int]:
 def may_be_true(val: int, lst: list[int], funcs) -> bool:
     if len(lst) == 1:
         return lst[0] == val
-
     return any([may_be_true(val, f(lst), funcs) for f in funcs])
 
 def solve1(eqs):