diff --git a/y_2020/day17.py b/y_2020/day17.py
index 78ce8bd..2989908 100644
--- a/y_2020/day17.py
+++ b/y_2020/day17.py
@@ -65,7 +65,6 @@ def count_active_nb3d(self, ci, cj, ck):
         for x in range(-1, 2):
             for y in range(-1, 2):
                 for z in range(-1, 2):
-
                     if x == y == z == 0:
                         continue
                     c += self.check_box3d(ck, cj, ci, x, y, z)
diff --git a/y_2020/day7.py b/y_2020/day7.py
index b5452b2..159eefd 100644
--- a/y_2020/day7.py
+++ b/y_2020/day7.py
@@ -48,7 +48,6 @@ def _calculate_1(self):
     def _calculate_2(self):
         c = 0
         for k, bagrules in self.__rules.items():
-
             self.enhance2(bagrules)
 
         for k, bagrule in self.__rules.items():
diff --git a/y_2022/common.py b/y_2022/common.py
index 510a062..891ec58 100644
--- a/y_2022/common.py
+++ b/y_2022/common.py
@@ -70,7 +70,6 @@ def get_file_content(day: str, test):
 
 
 def load_input(day, test) -> List[List[str]]:
-
     raw_string = get_file_content(day, test)
 
     if raw_string and raw_string[-1] == "\n":