upgraded to python 3.6

.travis.yml

@@ -14,4 +14,4 @@ script:
   - python manage.py cov
 
 after_success:
-  coveralls
+  - coveralls

manage.py

@@ -50,10 +50,7 @@ def cov():
         COV.save()
         print('Coverage Summary:')
         COV.report()
-        basedir = os.path.abspath(os.path.dirname(__file__))
-        covdir = os.path.join(basedir, 'coverage')
-        COV.html_report(directory=covdir)
-        print('HTML version: file://%s/index.html' % covdir)
+        COV.html_report()
         COV.erase()
         return 0
     return 1