Convert format strings to str for nicer error messages (no u prefix) in the python_format checker.
Convert format strings to str for nicer error messages (no u prefix) in the python_format checker.



git-svn-id: c0ffdcf8c2e87c8872995a0c731507214cc45958@397 59ecc08e-a131-0410-9ea7-d4c0f28ac310

miracle2k/babel,miracle2k/babel,mbr/Babel-CLDR,joshfinnie/Babel,cc-archive/babel,joshfinnie/Babel,Phaiax/python-babel,cc-archive/babel,Phaiax/python-babel,mbr/Babel-CLDR