import extractor.ui.mainapplication as ui
import Tkinter as tk

def main():
##    root = tk.Tk()
##    root.title('SNES Wolfenstein 3D Extractor')
##    root.minsize(400, 100)
##    ui.MainApplication(root).pack(side="top", fill="both", expand=True)
##    root.mainloop()
    ui.MainApplication().mainloop()

main()

@@ -243,26 +243,24 @@
 d=True)%0A
-##
     root
 .mainloo
@@ -255,23 +255,10 @@
 root
-.mainloop()%0A  
  
+=
  ui.
@@ -274,16 +274,25 @@
 cation()
+%0A    root
 .mainloo

Split program call into two lines.