Revert "fix column in table_for renders empty with func"
Revert "fix column in table_for renders empty with func"

This reverts commit cae5749ad19b3a7259976f1df59005a1f1b6768c.
b/c it causes #128

kleinernik/ex_admin,whitepaperclip/ex_admin,kleinernik/ex_admin,whitepaperclip/ex_admin,Kociamber/ex_admin,smpallen99/ex_admin,smpallen99/ex_admin,romul/ex_admin,Kociamber/ex_admin,romul/ex_admin