Troubleshooting Python plugin to load an XCF file

[Ofnuts]

• The outer parentheses are not necessary (this is script-fu syntax....)
  
• If you want to use your script via the registration, then it's called as pdb.python_fu_open_xcf("your file") (your script is added to the PDB, using the name specified as the first argument of the registration (a.k.a. "the "atom")). You can check it registered properly using the PDB function browser in the Python-fu console)