outsourced requireements

.travis.yml

@@ -3,9 +3,7 @@ python:
     - 3.4
     - 3.5
 install:
-    - pip install pytest==3.0.5
-    - pip install pytest-pep8==1.0.6
-    - pip install pytest-cov==2.4.0
+    - pip install -r requirements.txt
     - python setup.py install
 script:
     - python setup.py test

requirements.txt

@@ -0,0 +1,3 @@
+pytest==3.0.5
+pytest-pep8==1.0.6
+pytest-cov==2.4.0

setup.py

@@ -2,6 +2,11 @@
 from setuptools import setup
 import pytest
 
+
+with open('requirements.txt') as reqs_file:
+    reqs = reqs_file.read().splitlines()
+
+
 setup(name='olib',
       version='0.1.0',
       description='olivers lib',
@@ -13,5 +18,5 @@
       license='MIT',
       zip_safe=False,
       test_suite='tests',
-      tests_require=['pytest', 'pytest-pep8', 'pytest-cov'],
+      tests_require=reqs,
       setup_requires=['pytest-runner'])