diff --git a/tests/failing_tests/assign/retype.py b/tests/failing_tests/assign/retype.py
index b4fc04e..0cd99fb 100644
--- a/tests/failing_tests/assign/retype.py
+++ b/tests/failing_tests/assign/retype.py
@@ -11,6 +11,7 @@ from pythonbpf.maps import HashMap
 # We can allow bitcasts in cases where the width of the types is the same in
 # the future. But for now, we do not allow any re-interpretation of variables.
 
+
 @bpf
 @map
 def last() -> HashMap:
diff --git a/tests/passing_tests/assign/comprehensive.py b/tests/passing_tests/assign/comprehensive.py
index 6e53a3f..aeb6898 100644
--- a/tests/passing_tests/assign/comprehensive.py
+++ b/tests/passing_tests/assign/comprehensive.py
@@ -9,6 +9,7 @@ from pythonbpf.helper import ktime
 # the compiler, it is recommended to use named variables to reduce the amount of
 # scratch space that needs to be allocated.
 
+
 @bpf
 @struct
 class data_t:
@@ -48,8 +49,12 @@ def hello_world(ctx: c_void_p) -> c_int64:
         a = last.lookup(0)
         print(f"a is {a}")
         last.update(9, 9)
-        last.update(0, last.lookup(last.lookup(0)) +
-                    last.lookup(last.lookup(0)) + last.lookup(last.lookup(0)))
+        last.update(
+            0,
+            last.lookup(last.lookup(0))
+            + last.lookup(last.lookup(0))
+            + last.lookup(last.lookup(0)),
+        )
         z = last.lookup(0)
         print(f"new map val at index 0 is {z}")
     else: