[PATCH 1 of 5] graphlog: code cleanup

[Peter Arrenbrecht]

# HG changeset patch
# User Peter Arrenbrecht <peter.arrenbrecht at gmail.com>
# Date 1236716369 -3600
graphlog: code cleanup

diff --git a/hgext/graphlog.py b/hgext/graphlog.py
--- a/hgext/graphlog.py
+++ b/hgext/graphlog.py
@@ -12,13 +12,12 @@
 '''
 
 import os
-import sys
 from mercurial.cmdutil import revrange, show_changeset
-from mercurial.commands import templateopts, logopts, remoteopts
+from mercurial.commands import templateopts
 from mercurial.i18n import _
 from mercurial.node import nullrev
 from mercurial import bundlerepo, changegroup, cmdutil, commands, extensions
-from mercurial import hg, ui, url, util
+from mercurial import hg, url, util
 
 def revisions(repo, start, stop):
     """cset DAG generator yielding (rev, node, [parents]) tuples
@@ -319,7 +318,7 @@
     """
 
     check_unsupported_flags(opts)
-    dest, revs, checkout = hg.parseurl(
+    dest, revs, _checkout = hg.parseurl(
         ui.expandpath(dest or 'default-push', dest or 'default'),
         opts.get('rev'))
     cmdutil.setremoteconfig(ui, opts)
@@ -348,7 +347,7 @@
     """
 
     check_unsupported_flags(opts)
-    source, revs, checkout = hg.parseurl(ui.expandpath(source), opts.get('rev'))
+    source, revs, _checkout = hg.parseurl(ui.expandpath(source), opts.get('rev'))
     cmdutil.setremoteconfig(ui, opts)
 
     other = hg.repository(ui, source)
@@ -385,8 +384,6 @@
 
         chlist = other.changelog.nodesbetween(incoming, revs)[0]
         revdag = graphrevs(other, chlist, opts)
-        other_parents = []
-        displayer = show_changeset(ui, other, opts, buffered=True)
         graphdag = graphabledag(ui, repo, revdag, opts)
         ascii(ui, grapher(graphdag))