fix specificity cant calculate arbitrary positions

src/HIV/Profile_Matching/specificity.py

@@ -162,7 +162,7 @@ def _main():
     elif cmd_args.epitope == ['pngs']:
         positions = POS_PNGS
     else:
-        positions = (int(pos) for pos in cmd_args.epitope)  # parse as a list of positions given at cmdln
+        positions = [int(pos) for pos in cmd_args.epitope]  # parse as a list of positions given at cmdln
 
     all_prof = _select_sub_group(get_all_static_profiles(), cmd_args.clade_region_pairs, positions)
     all_prof = all_prof.log_convert()