[PATCH 2 of 7 evolve-ext] check-code: make simple4server.py comply with check-code

[Laurent Charignon]

# HG changeset patch
# User Laurent Charignon <lcharignon at fb.com>
# Date 1449271176 28800
#      Fri Dec 04 15:19:36 2015 -0800
# Node ID 156d875e81626f3e713f5357e9d728af2b24283a
# Parent  3e9bbaa0f27cf482966ee819a03b90bce022bae1
check-code: make simple4server.py comply with check-code

diff --git a/hgext/simple4server.py b/hgext/simple4server.py
--- a/hgext/simple4server.py
+++ b/hgext/simple4server.py
@@ -34,7 +34,7 @@
     gboptslist = getattr(wireproto, 'gboptslist', None)
     gboptsmap = getattr(wireproto, 'gboptsmap', None)
 except (ImportError, AttributeError):
-    raise util.Abort('Your Mercurial is too old for this version of Evolve\n'
+    raise error.Abort('Your Mercurial is too old for this version of Evolve\n'
                      'requires version 3.0.1 or above')
 
 # Start of simple4server specific content
@@ -101,10 +101,11 @@
 if not util.safehasattr(obsolete.obsstore, 'relevantmarkers'):
     # from evolve extension: 1a23c7c52a43
     class pruneobsstore(obsolete.obsstore):
-        """And extended obsstore class that read parent information from v1 format
+        """And extended obsstore class that read parent information from v1
+        format
 
-        Evolve extension adds parent information in prune marker. We use it to make
-        markers relevant to pushed changeset."""
+        Evolve extension adds parent information in prune marker.
+        We use it to make markers relevant to pushed changeset."""
 
         def __init__(self, *args, **kwargs):
             self.prunedchildren = {}
@@ -237,7 +238,8 @@
 
 # from evolve extension: 3249814dabd1
 def srv_obshash1(repo, proto, nodes):
-    return wireproto.encodelist(_obshash(repo, wireproto.decodelist(nodes), version=1))
+    return wireproto.encodelist(_obshash(repo, wireproto.decodelist(nodes),
+                                version=1))
 
 # from evolve extension: 3249814dabd1
 def capabilities(orig, repo, proto):