diff --git a/src/dxtbx/format/FormatNXmxDLSI19_2.py b/src/dxtbx/format/FormatNXmxDLSI19_2.py
index 255330eb4..5617fa360 100644
--- a/src/dxtbx/format/FormatNXmxDLSI19_2.py
+++ b/src/dxtbx/format/FormatNXmxDLSI19_2.py
@@ -46,7 +46,6 @@ def __init__(self, image_file, **kwargs):
         except Exception:
             self._bit_depth_readout = 16
 
-
     def get_goniometer_shadow_masker(self, goniometer=None):
         """Apply the dynamic mask for a diamond anvil cell with a 76° aperture."""
         if goniometer is None: