diff --git a/pyulog/core.py b/pyulog/core.py
index b37b709..e47a65f 100644
--- a/pyulog/core.py
+++ b/pyulog/core.py
@@ -427,7 +427,8 @@ def _make_data_items(self):
                     field_encoding = self._UNPACK_TYPES[field_type][0]
                     field_data = data_set.data[field_name][i_sample]
 
-                    # For char type, convert np.int8 into single bytes() object so that struct.pack can handle it
+                    # For char type, convert np.int8 into single bytes() object
+                    # so that struct.pack can handle it
                     if field_encoding == 'c':
                         field_data = bytes(chr(field_data), 'utf-8')