Fixes

.gitlab-ci.yml

@@ -5,5 +5,7 @@ pyurbantz-lint:
   stage: lint
   image: python:3.5-alpine
 
-  before_script: pip install .[dev]
-  script: flake8
+  before_script:
+    - pip install .[dev]
+  script:
+    - flake8

README.md

@@ -38,8 +38,7 @@ Sample setup using
 
 ```
 mkvirtualenv pyurbantz -a .
-pip install -r requirements-dev.txt
-pip install -e .
+pip install -e .[dev]
 ```
 
 ### Linting

requirements-dev.txt

@@ -1,2 +1 @@
--r requirements.txt
 flake8>=3.5