open a new image, don't save, just click file→export scaled
Traceback (most recent call last):
File "/usr/lib/gimp/2.0/python/gimpfu.py", line 807, in _run
res = apply(func, params[1:])
File "/home/username/gimp-2.8/plug-ins/export-scaled.py", line 106, in python_export_scaled
chooser.set_current_name(os.path.basename(init_filename))
File "/usr/lib/python2.7/posixpath.py", line 112, in basename
i = p.rfind('/') + 1
AttributeError: 'NoneType' object has no attribute 'rfind'
open a new image, don't save, just click file→export scaled