diff --git a/src/trodes_to_nwb/convert_ephys.py b/src/trodes_to_nwb/convert_ephys.py
index 2a18405..e035489 100644
--- a/src/trodes_to_nwb/convert_ephys.py
+++ b/src/trodes_to_nwb/convert_ephys.py
@@ -147,7 +147,7 @@ def __init__(
                 iterator_loc = len(iterator_size) - i - 1
                 # calculate systime regression on full epoch, parameters stored and inherited by partial iterators
                 if self.neo_io[iterator_loc].sysClock_byte:
-                    self.neo_io[iterator_loc].get_regressed_systime(0, None)          
+                    self.neo_io[iterator_loc].get_regressed_systime(0, None)
                 while j < size:
                     sub_iterators.append(
                         SpikeGadgetsRawIOPartial(