add guard for symbolic_solver_labels=False

Pyomo · Feb 13, 2024 · 1462403 · 1462403
1 parent 9764b84
commit 1462403
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/pyomo/repn/plugins/nl_writer.py b/pyomo/repn/plugins/nl_writer.py
@@ -350,8 +350,9 @@ def __call__(self, model, filename, solver_capability, io_options):
             # This exception is included for compatibility with the
             # original NL writer v1.
             os.remove(filename)
-            os.remove(row_fname)
-            os.remove(col_fname)
+            if config.symbolic_solver_labels:
+                os.remove(row_fname)
+                os.remove(col_fname)
             raise ValueError(
                 "No variables appear in the Pyomo model constraints or"
                 " objective. This is not supported by the NL file interface"