#13012: use splitlines(keepends=True/False) instead of splitlines(0/1).
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index d82fa20..cc5f0c3 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -1010,8 +1010,8 @@
if (len(first) > self._diffThreshold or
len(second) > self._diffThreshold):
self._baseAssertEqual(first, second, msg)
- firstlines = first.splitlines(True)
- secondlines = second.splitlines(True)
+ firstlines = first.splitlines(keepends=True)
+ secondlines = second.splitlines(keepends=True)
if len(firstlines) == 1 and first.strip('\r\n') == first:
firstlines = [first + '\n']
secondlines = [second + '\n']