From b55f24ea84e77558864fd11b130ac55f411a7274 Mon Sep 17 00:00:00 2001
From: Michael Campbell <mtcampbe@illinois.edu>
Date: Wed, 29 Jul 2020 18:24:21 -0500
Subject: [PATCH] Demarcate the actual filename in the error text

---
 meshmode/discretization/visualization.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/meshmode/discretization/visualization.py b/meshmode/discretization/visualization.py
index 013f5e5e..c3794b87 100644
--- a/meshmode/discretization/visualization.py
+++ b/meshmode/discretization/visualization.py
@@ -554,8 +554,8 @@ class Visualizer(object):
                     if overwrite:
                         os.remove(par_filename)
                     else:
-                        raise FileExistsError(f"parallel output file {par_filename}"
-                                              f" already exists.")
+                        raise FileExistsError(f"parallel output file "
+                                              f"'{par_filename}' already exists.")
                 with open(par_filename, "w") as outf:
                     generator = ParallelXMLGenerator(part_namelist)
                     generator(grid).write(outf)
-- 
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