Add 'attrs' to setup.py deps, '-e .' requirements.txt

requirements.txt

@@ -1,15 +1,3 @@
-six
-PyYaml
+--index-url https://pypi.python.org/simple/
 
-# for loading yaml into ordered dicts
-yamlloader
-
-# TODO: we can likely eliminate this
-jinja2
-
-# Used if we need offline version compares
-semver
-
-# used for data classes
-# 18.1.0 introduces the 'factory' keyword
-attrs>=18.1.0
+-e .

setup.py

@@ -14,7 +14,11 @@ with open('HISTORY.rst') as history_file:
 requirements = ['six',
                 'PyYaml',
                 'jinja2',
+                'semver',
                 'yamlloader',
+                # used for data classes
+                # 18.1.0 introduces the 'factory' keyword
+                'attrs>=18.1.0',
                 ]
 
 setup_requirements = ['pytest-runner', ]