Add yaml dependency

Peter Amstutz · Peter Amstutz · commit 5aa41eb5e9dc · 2015-10-13T16:35:32.000-04:00
diff --git a/setup.py b/setup.py
@@ -23,7 +23,8 @@
       install_requires=[
           'cwltool >= 1.0.20151013135545',
           'Flask',
-          'requests'
+          'requests',
+          'yaml'
         ],
       entry_points={
           'console_scripts': [ "cwltool-service=cwltool_service:main" ]
