Trying to add ordereddict for travis in 2.6

.travis.yml

@@ -6,8 +6,8 @@ python:
   - '3.4'
   - '3.5'
 install: 
-  - pip install -r requirements.txt
-  - pip install coveralls
+  - pip install coveralls ordereddict
+  - python setup.py install  
 notifications:
   email:
     recipients:

requirements.txt

@@ -1 +1 @@
-
+ordereddict

setup.py

@@ -1,4 +1,10 @@
-from setuptools import setup, find_packages
+from setuptools import setup
+import sys
+
+if (sys.version_info[0:2] < (2,7)):
+    install_requires =['ordereddict', 'future']
+else:
+    install_requires = []
 
 setup(
     name = 'crom',
@@ -13,6 +19,7 @@
     author = 'Getty Research Institute, Rob Sanderson',
     author_email = 'jgomez@getty.edu',
     url = 'https://github.com/gri-is/crom',
+    install_requires=install_requires,
     classifiers = [
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",