diff --git a/packages/seacas/scripts/exodus3.in.py b/packages/seacas/scripts/exodus3.in.py
index ef08aaad24..2f202115a4 100644
--- a/packages/seacas/scripts/exodus3.in.py
+++ b/packages/seacas/scripts/exodus3.in.py
@@ -5783,7 +5783,7 @@ def __ex_put_block(
             numAttrsPerElem):
         obj_type = ctypes.c_int(get_entity_type(object_type))
         block_id = ctypes.c_longlong(object_id)
-        if type(eType) is str:
+        if isinstance(eType, str):
             eType = eType.encode('ascii')
         elem_type = ctypes.create_string_buffer(eType.upper(), MAX_NAME_LENGTH + 1)
         num_elem_this_blk = ctypes.c_longlong(numElems)
diff --git a/packages/seacas/scripts/exomerge3.py b/packages/seacas/scripts/exomerge3.py
index 6eccbd5f20..ea45fa7f01 100644
--- a/packages/seacas/scripts/exomerge3.py
+++ b/packages/seacas/scripts/exomerge3.py
@@ -1432,7 +1432,7 @@ def _convert_side_set_to_triangle_block(self,
                                                              1) *
                                           nodes_per_element]
                 local_node = tuple(local_node[x] for x in face_element_map[1])
-                if not face_element_map[0] in faces:
+                if face_element_map[0] not in faces:
                     faces[face_element_map[0]] = [local_node]
                 else:
                     faces[face_element_map[0]].append(local_node)
@@ -6545,7 +6545,7 @@ def _replace_name_case(self, new_list, original_list):
                 'identical lowercase representations.  One will be '
                 'chosen at random.')
         for item in new_list:
-            if not item.lower() in original_case:
+            if item.lower() not in original_case:
                 self._bug(
                     'Unrecognized string.',
                     'The string "%s" appears in the new list but '
diff --git a/packages/seacas/scripts/tests/exomerge_unit_test.py b/packages/seacas/scripts/tests/exomerge_unit_test.py
index 39133f541b..b8ce325d62 100755
--- a/packages/seacas/scripts/tests/exomerge_unit_test.py
+++ b/packages/seacas/scripts/tests/exomerge_unit_test.py
@@ -2,10 +2,11 @@
 """
 This file performs unit tests of functions within Exomerge.
 
-Copyright 2018, 2021, 2022 National Technology and Engineering Solutions of Sandia.  Under
-the terms of Contract DE-NA-0003525, there is a non-exclusive license for use
-of this work by or on behalf of the U.S. Government.  Export of this program
-may require a license from the United States Government.
+Copyright 2018, 2021, 2022 National Technology and Engineering
+Solutions of Sandia.  Under the terms of Contract DE-NA-0003525, there
+is a non-exclusive license for use of this work by or on behalf of the
+U.S. Government.  Export of this program may require a license from
+the United States Government.
 
 This program is free software: you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -1783,7 +1784,7 @@ def test(self):
         matched_unit_tests = []
         for unit_test in unit_tests:
             (test, _) = unit_test
-            if not test[6:] in public_functions:
+            if test[6:] not in public_functions:
                 unmatched.append(test)
             else:
                 matched_unit_tests.append(unit_test)
@@ -1803,7 +1804,7 @@ def test(self):
         unmatched = []
         unit_test_names = [x[0] for x in unit_tests]
         for name in public_functions:
-            if not "_test_" + name in unit_test_names:
+            if "_test_" + name not in unit_test_names:
                 unmatched.append(name)
         if unmatched:
             print(