bug fix for convergence detail (deal with all vars fixed)

Pyomo · Nov 15, 2024 · 899450d · 899450d
1 parent c9be8c6
commit 899450d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mpisppy/spbase.py b/mpisppy/spbase.py
@@ -607,7 +607,9 @@ def report_var_values_at_rank0(self, header="", print_zero_prob_values=False, fi
 
             if len(header) != 0:
                 print(header)
-
+            if len(var_values) == 0:
+                print("No variables to report (perhaps all are fixed?)")
+                return
             scenario_names = sorted(set(x for (x,y) in var_values))
             max_scenario_name_len = max(len(s) for s in scenario_names)
             variable_names = sorted(set(y for (x,y) in var_values))