fixed typo in r7745

git-svn-id: svn://svn.code.sf.net/p/freeorion/code/trunk@7746 dbd5520b-6a0a-0410-a553-f54834df5b05
patch by Cjkjvfnby cleaning up AI fleet_utils script

git-svn-id: svn://svn.code.sf.net/p/freeorion/code/trunk@7747 dbd5520b-6a0a-0410-a553-f54834df5b05
AI script cleanup / PEP8 conformance patch by Cjkjfnby, primarily colonization

git-svn-id: svn://svn.code.sf.net/p/freeorion/code/trunk@7748 dbd5520b-6a0a-0410-a553-f54834df5b05