Peter Onyisi authored 5 years ago and Edward Moyse committed 5 years ago

address flake8 compliance; unify track summary tool retrieval; move to new bunch
crossing conditions object

Updated `ComponentAccumulator` configuration tests which dump the configuration
to a pickle file. In python3 the output file needs to be explicitly opened in binary mode.
I.e. ```f = open('configdump.pkl','wb')```
rather than ```f = open('configdump.pkl','w')```