diff --git a/etc/scripts/docenizers/docenizer-6502.py b/etc/scripts/docenizers/docenizer-6502.py
index 7b484edb376..65e1f873650 100755
--- a/etc/scripts/docenizers/docenizer-6502.py
+++ b/etc/scripts/docenizers/docenizer-6502.py
@@ -36,10 +36,10 @@ def __init__(self, mnemonic, cpu_type):
 
     def html_description(self):
         if self.description:
-            html = ""
-            for desc_line in self.description:
-                html += f"<p>{escape_quotes(desc_line)}</p>"
-            return html
+            return "".join(
+                f"<p>{escape_quotes(desc_line)}</p>"
+                for desc_line in self.description
+            )
         elif self.long_name:
             return f"<p>{escape_quotes(self.long_name)}</p>"
         elif self.name:
diff --git a/etc/scripts/util/contributorer.py b/etc/scripts/util/contributorer.py
index 0eb3ee4224c..6fa9a20eb6e 100644
--- a/etc/scripts/util/contributorer.py
+++ b/etc/scripts/util/contributorer.py
@@ -99,7 +99,7 @@ def get_collaborators(args):
 def create_file(args):
     repository_safe = "".join([c for c in args.repository if re.match(r'\w', c)])
     collaborators = get_collaborators(args)
-    skippable = set([collaborator['login'].lower() for collaborator in collaborators])
+    skippable = {collaborator['login'].lower() for collaborator in collaborators}
     # Remove people that are in CONTRIBUTORS for some reason or another
     skippable.discard('lefticus')
     skippable.discard('ubsan')
diff --git a/etc/scripts/util/formatcheck.py b/etc/scripts/util/formatcheck.py
index d00841e3e80..b56f810f2ad 100644
--- a/etc/scripts/util/formatcheck.py
+++ b/etc/scripts/util/formatcheck.py
@@ -73,7 +73,7 @@ def list_files_under_vc() -> Set[str]:
     output = subprocess.check_output(
         ["git", "ls-tree", "-r", "main", "--name-only"]
     ).decode("utf-8")
-    paths = {x for x in output.splitlines()}
+    paths = set(output.splitlines())
     return paths
 
 
diff --git a/etc/scripts/util/propscheck.py b/etc/scripts/util/propscheck.py
index 92855a19612..201b08f1cfe 100644
--- a/etc/scripts/util/propscheck.py
+++ b/etc/scripts/util/propscheck.py
@@ -249,7 +249,7 @@ def process_folder(folder: str):
 
 
 def problems_found(file_result):
-    return any([len(file_result[r]) > 0 for r in file_result if r != "filename"])
+    return any(len(file_result[r]) > 0 for r in file_result if r != "filename")
 
 
 def print_issue(name, result):