From a95e977e41ca13ac2677c455e5270cf4018f5838 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Fri, 29 Oct 2010 03:28:14 +0000
Subject: decrement offset when it points to a newline (#10186 followup)

---
 Python/pythonrun.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Python/pythonrun.c')

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 1b0a84bd65..33dd11bc88 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -1344,6 +1344,8 @@ print_error_text(PyObject *f, int offset, const char *text)
 {
     char *nl;
     if (offset >= 0) {
+        if (offset > 0 && offset == strlen(text) && text[offset - 1] == '\n')
+            offset--;
         for (;;) {
             nl = strchr(text, '\n');
             if (nl == NULL || nl-text >= offset)
@@ -1363,7 +1365,7 @@ print_error_text(PyObject *f, int offset, const char *text)
     if (offset == -1)
         return;
     PyFile_WriteString("    ", f);
-    while (--offset)
+    while (--offset > 0)
         PyFile_WriteString(" ", f);
     PyFile_WriteString("^\n", f);
 }
-- 
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