From d50260de20df36c03829ae4a3c7a6562e152db14 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Thu, 26 Oct 2017 12:45:00 +0200
Subject: fixes #6148

---
 lib/pure/parsecsv.nim | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/pure/parsecsv.nim b/lib/pure/parsecsv.nim
index 77b145a73..ca0f3f9e0 100644
--- a/lib/pure/parsecsv.nim
+++ b/lib/pure/parsecsv.nim
@@ -72,7 +72,10 @@ proc raiseEInvalidCsv(filename: string, line, col: int,
                       msg: string) {.noreturn.} =
   var e: ref CsvError
   new(e)
-  e.msg = filename & "(" & $line & ", " & $col & ") Error: " & msg
+  if filename.len == 0:
+    e.msg = "Error: " & msg
+  else:
+    e.msg = filename & "(" & $line & ", " & $col & ") Error: " & msg
   raise e
 
 proc error(my: CsvParser, pos: int, msg: string) =
-- 
cgit 1.4.1-2-gfad0