diff --git a/assignment.py b/assignment.py
index 271f7cd8d..9db503bc3 100644
--- a/assignment.py
+++ b/assignment.py
@@ -6,7 +6,8 @@
 
 open("foo")
 
+
 def foo(foo=None):
-  if foo is None:
-    foo = []
-  return [*foo]
+    if foo is None:
+        foo = []
+    return [*foo]
diff --git a/demo_code.py b/demo_code.py
index db32dd49d..94c1c5bcf 100644
--- a/demo_code.py
+++ b/demo_code.py
@@ -85,12 +85,18 @@ def tar_something():
 
 
 def bad_isinstance(initial_condition, object, other_obj, foo, bar, baz):
-    if (initial_condition and
-        (isinstance(object, int) or isinstance(object, float)
-         or isinstance(object, str)) and isinstance(other_obj, float)
-            and isinstance(foo, str)
-            or (isinstance(bar, float) or isinstance(bar, str)) and
-            (isinstance(baz, float) or isinstance(baz, int))):
+    if (
+        initial_condition
+        and (
+            isinstance(object, int)
+            or isinstance(object, float)
+            or isinstance(object, str)
+        )
+        and isinstance(other_obj, float)
+        and isinstance(foo, str)
+        or (isinstance(bar, float) or isinstance(bar, str))
+        and (isinstance(baz, float) or isinstance(baz, int))
+    ):
         pass