remove unused imports; PEP8 cleanup
PEP8
Merge remote-tracking branch 'refs/remotes/upstream/master'
Merge remote-tracking branch 'refs/remotes/upstream/master'
Merge remote-tracking branch 'refs/remotes/upstream/master'
remove unused import
PEP8 formats
explicit imports and PEP8 whitespace
remove test file with no tests
PEP8 fixes in traits/tests/
Merge from master.
Merge from master again.
Restore PEP8 cleanliness.
Fix missing import.
Merge from master; fix conflicts in test_traits.py.
Merge from master; fix conflicts in test_range.py
Remove integrationtests directory: these tests are all duplicated in the TraitsUI package, which is where they belong.
Move definitions closer to the place where they're used.
Remove unused methods.
Fix some PyFlakes issues.