autopep8
[enh] let's start the space grouper
[enh] test_int for space grouper
[enh] test_name test_string for test space grouper
[enh] handle import for space grouper
[enh] import with dot on space grouper
[enh] from_import_as for space grouper
[enh] import a_b for space grouper
[enh] more import tests for space grouper
[enh] more tests on import, handle )
[mod] small refactoring
[enh] handle double_star
[enh] handle tilde
[enh] defensive assert
[enh] better debugging assert
[enh] flexible iterator can show futhur next items
[enh] handle priority of operators
[enh] handle dot situation with space arround
[enh] handle [
[enh] handle (