diff --git a/demo_code.py b/demo_code.py
index 35062c075..4f66989a6 100644
--- a/demo_code.py
+++ b/demo_code.py
@@ -1,9 +1,9 @@
-import random
-import pdb
-import sys as sys
+import abc
 import os
+import pdb
+import random
 import subprocess
-import abc
+import sys as sys
 
 # from django.db.models.expressions import RawSQL
 
@@ -27,16 +27,6 @@ def smethod():
     def cmethod(cls, something):
         """class method-to-be"""
 
-        
-        
-        
-        
-        
-        
-        
-        
-        
-        
     cmethod = classmethod(cmethod)
 
 
@@ -90,18 +80,12 @@ 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
 
 
diff --git a/duplicate_bases_class.py b/duplicate_bases_class.py
index ad1dfe8bc..db01c8c5f 100644
--- a/duplicate_bases_class.py
+++ b/duplicate_bases_class.py
@@ -2,11 +2,13 @@
 
 
 class Base:
+
     def __init__(self):
         self.base = 1
 
 
 class BaseOne:
+
     def __init__(self):
         self.base_one = 2
 
@@ -15,5 +17,6 @@ class Child(Base, BaseOne, Base, BaseOne):
     """Some Child class"""
 
 
-class ChildOne(Base, BaseOne, Base, BaseOne, abc.ABC, abc.ABCMeta, abc.ABCMeta):
+class ChildOne(Base, BaseOne, Base, BaseOne, abc.ABC, abc.ABCMeta,
+               abc.ABCMeta):
     """Class with duplicate bases"""
diff --git a/tests/test_code.py b/tests/test_code.py
index 8d155df4d..4af819e24 100644
--- a/tests/test_code.py
+++ b/tests/test_code.py
@@ -1,5 +1,5 @@
-from demo_code import RandomNumberGenerator
 import assignment
+from demo_code import RandomNumberGenerator
 
 
 def test_random_number_generator():
@@ -8,7 +8,8 @@ def test_random_number_generator():
 
     if False:
         assert "Dead Code!"
-        print ("Gotcha!")
+        print("Gotcha!")
+
 
 def test_partial_code():
     """Some test to check the new metric."""