[migration] re-try without print_function when compiling a script fails As part of the python3 porting we added the __future__.print_function import to cubicweb.migration. That started affecting all migration scripts it runs, which may not be prepared. So if compiling a script results in SyntaxError, try again without the print_function flag. Closes #7935030

cubicweb-web: embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js