--- a/hgext/evolve.py	Wed Feb 01 15:02:59 2017 +0100
+++ b/hgext/evolve.py	Wed Feb 01 16:17:09 2017 +0100
@@ -19,8 +19,8 @@
     - improves some aspect of the early implementation in Mercurial core
 '''
 
-__version__ = '5.5.0'
-testedwith = '3.4.3 3.5.2 3.6.2 3.7.3 3.8.1 3.9 4.0'
+__version__ = '5.6.0'
+testedwith = '3.4.3 3.5.2 3.6.2 3.7.3 3.8.1 3.9 4.0 4.1'
 buglink = 'https://bz.mercurial-scm.org/'
 
 
@@ -3856,11 +3856,11 @@
 if util.safehasattr(wireproto.abstractserverproto, 'groupchunks'):
     # We need to handle chunking and compression directly
     def streamres(d, proto):
-        wireproto.streamres(proto.groupchunks(d))
+        return wireproto.streamres(proto.groupchunks(d))
 else:
     # Leave chunking and compression to streamres
     def streamres(d, proto):
-        wireproto.streamres(reader=d, v1compressible=True)
+        return wireproto.streamres(reader=d, v1compressible=True)
 
 def srv_pullobsmarkers(repo, proto, others):
     opts = wireproto.options('', ['heads', 'common'], others)