Actually correctly handle completely ordered sequences in run_iupred

GenLibrary/Predictors.py

@@ -321,6 +321,7 @@ def run_iupred(fasta, iupred_path="~/bin/IUPred/"):
                 diso_pos.append(int(line.split()[0]))
         if not diso_pos:
             regions.append([])
+            continue
         diso_indices = np.array(diso_pos) - 1
         is_non_continuous = np.diff(np.append(diso_indices[0]-999, diso_indices)) != 1
         slice_start_indices = diso_indices[is_non_continuous]