diff -r 346af7687c6f -r 89a2afe31e82 mercurial/simplemerge.py
--- a/mercurial/simplemerge.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/mercurial/simplemerge.py	Fri Nov 27 17:03:29 2020 -0500
@@ -57,8 +57,7 @@
 
 
 def compare_range(a, astart, aend, b, bstart, bend):
-    """Compare a[astart:aend] == b[bstart:bend], without slicing.
-    """
+    """Compare a[astart:aend] == b[bstart:bend], without slicing."""
     if (aend - astart) != (bend - bstart):
         return False
     for ia, ib in zip(
@@ -102,8 +101,7 @@
         localorother=None,
         minimize=False,
     ):
-        """Return merge in cvs-like form.
-        """
+        """Return merge in cvs-like form."""
         self.conflicts = False
         newline = b'\n'
         if len(self.a) > 0: