Correct context manage file opening

mrmundt · Nov 20, 2023 · 1edc3b5 · 1edc3b5
1 parent 7bf0f7f
commit 1edc3b5
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/pyomo/solver/IPOPT.py b/pyomo/solver/IPOPT.py
@@ -237,9 +237,9 @@ def solve(self, model, **kwds):
                     f"NL file with the same name {basename + '.nl'} already exists!"
                 )
             with (
-                open(basename + '.nl', 'w') as nl_file,
-                open(basename + '.row', 'w') as row_file,
-                open(basename + '.col', 'w') as col_file,
+                open(os.path.join(basename, '.nl'), 'w') as nl_file,
+                open(os.path.join(basename, '.row'), 'w') as row_file,
+                open(os.path.join(basename, '.col'), 'w') as col_file,
             ):
                 self.info = nl_writer.write(
                     model,