New bug when starting "Refine"

[paljna]

New bug on UBUNTU

Traceback (most recent call last):
File "/home/labcrescita/.local/lib/python3.9/site-packages/pyxrd/refinement/controllers/refinement_controller.py", line 59, get_pb(column=<treeview_tools.PyXRDTreeViewColumn object at 0x...treeview_tools+PyXRDTreeViewColumn at 0xa8d71a0)>, cell=<Gtk.CellRendererPixbuf object at 0x7fdbb7abecc0 (GtkCellRendererPixbuf at 0xa4ef590)>, model=<object_tree_store.ObjectTreeStore object at 0x7...+object_tree_store+ObjectTreeStore at 0xa8b8120)>, itr=<Gtk.TreeIter object at 0x7fdbb7e1ae20 (GtkTreeIter at 0xa8b8b00)>, user_data=())
if not hasattr(ref_prop, "pb") or not ref_prop.pb:
ref_prop.pb = create_pb_from_mathtext(
ref_prop.title,
File "/home/labcrescita/.local/lib/python3.9/site-packages/pyxrd/generic/mathtext_support.py", line 44, create_pb_from_mathtext(text='Chlorite', align='left', weight='medium', color='b', style='normal')
parts, fontsize = _handle_customs(text)
variables: {'parts': (None, []), 'fontsize': (None, []), '_handle_customs': ('global', <function _handle_customs at 0x7fdbe91a54c0>), 'text': ('local', 'Chlorite')}
File "/home/labcrescita/.local/lib/python3.9/site-packages/pyxrd/generic/mathtext_support.py", line 113, _handle_customs(text='Chlorite')
def _handle_customs(text):
text = text.decode('utf-8')
variables: {'text': ('local', 'Chlorite')}
AttributeError: 'str' object has no attribute 'decode'