diff --git a/dap/accumulator.py b/dap/accumulator.py
index 435e805..19365d1 100644
--- a/dap/accumulator.py
+++ b/dap/accumulator.py
@@ -2,8 +2,8 @@ import argparse
 
 from bsread.sender import Sender, PUB
 
-from utils import FileHandler, Sorter
-from zmqsocks import ZMQSocketsAccumulator, make_address, make_bsread_timestamp
+from utils import FileHandler, Sorter, make_bsread_timestamp
+from zmqsocks import ZMQSocketsAccumulator, make_address
 
 
 OUTPUT_DIR = "/gpfs/photonics/swissfel/buffer/dap/data"