Typo Test im_func in super test test_glusto_carteplex_super.py

[loadtheaccumulator]

im_func in first line below should be super in test_glusto_carteplex_super.py

"""Test im_func with the carteplex class clones.
Run with:
glusto --pytest='-vv tests/test_glusto_carteplex_super.py --capture=no'
"""