diff --git a/files/helpers/sanitize.py b/files/helpers/sanitize.py
index b653aa060..046d581a8 100644
--- a/files/helpers/sanitize.py
+++ b/files/helpers/sanitize.py
@@ -245,7 +245,7 @@ def sanitize(sanitized, edit=False, limit_pings=False, showmore=True):
 	v = getattr(g, 'v', None)
 
 	matches = [m for m in mention_regex.finditer(sanitized) if m]
-	names = set( m.group(2) for m in matches )
+	names = set(m.group(2) for m in matches)
 	if limit_pings and len(names) > 3 and not v.admin_level: abort(406)
 	users = get_users(names, graceful=True)
 
diff --git a/files/helpers/stats.py b/files/helpers/stats.py
index 7d92f3c48..e446dc886 100644
--- a/files/helpers/stats.py
+++ b/files/helpers/stats.py
@@ -62,7 +62,7 @@ def chart(kind, site):
 
 	plt.rcParams['figure.figsize'] = (chart_width, 20)
 
-	signup_chart   = plt.subplot2grid((chart_width, 20), ( 0, 0), rowspan=6, colspan=chart_width)
+	signup_chart = plt.subplot2grid((chart_width, 20), (0, 0), rowspan=6, colspan=chart_width)
 	posts_chart	= plt.subplot2grid((chart_width, 20), (10, 0), rowspan=6, colspan=chart_width)
 	comments_chart = plt.subplot2grid((chart_width, 20), (20, 0), rowspan=6, colspan=chart_width)
 
diff --git a/files/routes/chat.py b/files/routes/chat.py
index 59e87d19f..5d6f45cc8 100644
--- a/files/routes/chat.py
+++ b/files/routes/chat.py
@@ -24,7 +24,7 @@ total = cache.get(f'{SITE}_total') or 0
 
 @app.get("/chat")
 @auth_required
-def chat( v):
+def chat(v):
 	return render_template("chat.html", v=v, messages=messages)
 
 
diff --git a/files/routes/feeds.py b/files/routes/feeds.py
index 2b6a41e5d..06f411a1d 100644
--- a/files/routes/feeds.py
+++ b/files/routes/feeds.py
@@ -71,4 +71,4 @@ def feeds_user(sort='hot', t='all'):
 					with tag("content", type="html"):
 						doc.cdata(f'''<img alt="{post.realtitle(None)}" loading="lazy" src="{image_url}"><br>{post.realbody(None)}''')
 
-	return Response( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"+ doc.getvalue(), mimetype="application/xml")
+	return Response("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"+ doc.getvalue(), mimetype="application/xml")
diff --git a/files/routes/reporting.py b/files/routes/reporting.py
index 3aff38d94..9008c6701 100644
--- a/files/routes/reporting.py
+++ b/files/routes/reporting.py
@@ -79,7 +79,7 @@ def flag_comment(cid, v):
 
 	comment = get_comment(cid)
 	
-	existing = g.db.query(CommentFlag.comment_id).filter_by( user_id=v.id, comment_id=comment.id).one_or_none()
+	existing = g.db.query(CommentFlag.comment_id).filter_by(user_id=v.id, comment_id=comment.id).one_or_none()
 	if existing: return "", 409
 
 	reason = request.values.get("reason", "").strip()