diff --git a/hgitaly/service/tests/test_commit.py b/hgitaly/service/tests/test_commit.py
index fe7ecbdb70150afd8d02399092fa8f51157378b9_aGdpdGFseS9zZXJ2aWNlL3Rlc3RzL3Rlc3RfY29tbWl0LnB5..4c5d50233f9d75889c13a5bb9150ff2f3401b8f6_aGdpdGFseS9zZXJ2aWNlL3Rlc3RzL3Rlc3RfY29tbWl0LnB5 100644
--- a/hgitaly/service/tests/test_commit.py
+++ b/hgitaly/service/tests/test_commit.py
@@ -655,8 +655,6 @@
     def do_rpc(rev):
         request = CommitStatsRequest(repository=grpc_repo,
                                      revision=rev)
-        return grpc_stub.CommitStats(request)
-
-    resp = do_rpc(sha0)
-    assert (resp.additions, resp.deletions) == (3, 0)
+        resp = grpc_stub.CommitStats(request)
+        return resp.additions, resp.deletions
 
@@ -662,9 +660,7 @@
 
-    resp = do_rpc(sha1)
-    assert (resp.additions, resp.deletions) == (1, 1)
-
-    resp = do_rpc(sha2)
-    assert (resp.additions, resp.deletions) == (0, 2)
+    assert do_rpc(sha0) == (3, 0)
+    assert do_rpc(sha1) == (1, 1)
+    assert do_rpc(sha2) == (0, 2)
 
     # with unknown revision
     with pytest.raises(grpc.RpcError) as exc_info:
@@ -675,8 +671,7 @@
     # with obsolescence
     wrapper.command('amend', message=b'amended')
     assert ctx2.obsolete()
-    resp = do_rpc(sha2)
-    assert (resp.additions, resp.deletions) == (0, 2)
+    assert do_rpc(sha2) == (0, 2)
 
 
 def test_tree_entry(grpc_channel, server_repos_root):