# HG changeset patch
# User Matt Harbison <matt_harbison@yahoo.com>
# Date 1577470282 18000
# Node ID 68b09ebf1c1369db967a24570f0c575ae1b9d369
# Parent  5ce6daa676589f40a064c6ad88e70ee616c56ff4
ancestor: drop another unused variable assignment

Also caught by PyCharm.  The only time this is used is immediately after another
assignment below this.

Differential Revision: https://phab.mercurial-scm.org/D7737

diff -r 5ce6daa67658 -r 68b09ebf1c13 mercurial/ancestor.py
--- a/mercurial/ancestor.py	Fri Dec 27 13:05:22 2019 -0500
+++ b/mercurial/ancestor.py	Fri Dec 27 13:11:22 2019 -0500
@@ -108,12 +108,12 @@
                 if p == nullrev:
                     continue
                 dp = depth[p]
-                nsp = sp = seen[p]
+                sp = seen[p]
                 if dp <= dv:
                     depth[p] = dv + 1
                     if sp != sv:
                         interesting[sv] += 1
-                        nsp = seen[p] = sv
+                        seen[p] = sv
                         if sp:
                             interesting[sp] -= 1
                             if interesting[sp] == 0: