3 files changed, 16 insertions, 10 deletions
diff --git a/Examples/Tests/collision/analysis_collision_2d.py b/Examples/Tests/collision/analysis_collision_2d.py
index 4eefa280b..07cbe50d4 100755
--- a/Examples/Tests/collision/analysis_collision_2d.py
+++ b/Examples/Tests/collision/analysis_collision_2d.py
@@ -23,14 +23,16 @@
 # tolerance: 0.001
 # Possible running time: ~ 30.0 s
 
-import sys
-import yt
+import glob
 import math
-import numpy
 import os
-import glob
 import re
+import sys
+
+import numpy
 import post_processing_utils
+import yt
+
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI
 
diff --git a/Examples/Tests/collision/analysis_collision_3d.py b/Examples/Tests/collision/analysis_collision_3d.py
index 8bc8f700b..52cbf6dab 100755
--- a/Examples/Tests/collision/analysis_collision_3d.py
+++ b/Examples/Tests/collision/analysis_collision_3d.py
@@ -23,14 +23,16 @@
 # tolerance: 0.001
 # Possible running time: ~ 30.0 s
 
-import sys
-import yt
+import glob
 import math
-import numpy
 import os
-import glob
 import re
+import sys
+
+import numpy
 import post_processing_utils
+import yt
+
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI
 
diff --git a/Examples/Tests/collision/analysis_collision_rz.py b/Examples/Tests/collision/analysis_collision_rz.py
index 72f57eb09..9f9b9c17f 100755
--- a/Examples/Tests/collision/analysis_collision_rz.py
+++ b/Examples/Tests/collision/analysis_collision_rz.py
@@ -16,11 +16,13 @@
 # tolerance: 1.0e-30
 # Possible running time: ~ 1.0 s
 
+from glob import glob
 import os
 import sys
-import yt
+
 import numpy as np
-from glob import glob
+import yt
+
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI