diff --git a/.codeclimate.yml b/.codeclimate.yml
index 6b8c017..b5b7823 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -5,7 +5,9 @@ engines:
     enabled: true
     config:
       languages:
-      - python
+        - python
 ratings:
   paths:
-  - "**.py"
+    - "**.py"
+exclude_paths:
+  - '**/tests/**'
diff --git a/docs/assets.sketch b/docs/assets.sketch
deleted file mode 100644
index e7a7c91..0000000
Binary files a/docs/assets.sketch and /dev/null differ
diff --git a/setup.cfg b/setup.cfg
index b4a00e3..0c46754 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,3 +17,6 @@ testpaths = tests
 python_files = test_*.py
 addopts = --cov
 
+[pep8]
+ignore = E111,E121,E261
+max-line-length = 120