diff --git a/src/imcflibs/imagej/projections.py b/src/imcflibs/imagej/projections.py
index e129085a0bc2b6336172ff6040da8ac4370a8c6d..bb615fd576134dc7200b4c10ed54d887255c4c07 100644
--- a/src/imcflibs/imagej/projections.py
+++ b/src/imcflibs/imagej/projections.py
@@ -1,10 +1,10 @@
 """Functions for creating Z projections."""
 
+from ij.plugin import ZProjector
+
 from .bioformats import export_using_orig_name
 from ..log import LOG as log
 
-from ij.plugin import ZProjector
-
 
 def average(imp):
     """Create an average intensity projection.
diff --git a/src/imcflibs/imagej/shading.py b/src/imcflibs/imagej/shading.py
index eeaeff13531439792a9957d49f7f5c065f479f07..7bb69aba0806f41910b97b53dca9287e89f5a498 100644
--- a/src/imcflibs/imagej/shading.py
+++ b/src/imcflibs/imagej/shading.py
@@ -2,14 +2,14 @@
 
 import os
 
+from ij import IJ
+from ij.plugin import ImageCalculator, RGBStackMerge
+
 from ..imagej import bioformats
 from ..imagej import projections
 from ..pathtools import listdir_matching
 from ..log import LOG as log
 
-from ij import IJ
-from ij.plugin import ImageCalculator, RGBStackMerge
-
 
 def apply_model(imps, model, merge=True):
     """Apply a given shading model to a list of images / stacks.
@@ -19,7 +19,7 @@ def apply_model(imps, model, merge=True):
 
     WARNING: the operation happens in-place, i.e. the original "imps" images
     will be modified!
-    
+
     Parameters
     ----------
     imps : list(ij.ImagePlus)
@@ -32,7 +32,7 @@ def apply_model(imps, model, merge=True):
     merge : bool, optional
         Whether or not to combine the resulting ImagePlus objects into a single
         multi-channel stack (default=True).
-    
+
     Returns
     -------
     ij.ImagePlus or list(ij.ImagePlus)
@@ -54,7 +54,7 @@ def apply_model(imps, model, merge=True):
 
 def correct_and_project(filename, path, model, proj, fmt):
     """Apply a shading correction to an image and create a projection.
-    
+
     Parameters
     ----------
     filename : str