diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b26e75b07d9c9cd1c8e9b92ee359550d21fd18e2..1ac5e81d05fa7d9f82db4b7c2e14dd23276f175e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,7 +7,7 @@ linter:
   - python3 -V
   - uname -a
   - apt install -y sqlite3 locales-all git python3-flask python3-ldap3 python3-requests python3-lxml python3-icalendar python3-mysql.connector python3-requests python3-coverage pylint3
-  - pylint3 --indent-string='\t' --indent-after-paren=1 --max-line-length=160 --docstring-min-length=9999 --output-format=text *.py | tee pylint.txt
+  - pylint3 --indent-string='\t' --indent-after-paren=1 --max-line-length=160 --disable=missing-docstring,unused-wildcard-import --output-format=text *.py | tee pylint.txt
   artifacts:
       paths:
       - pylint.txt
diff --git a/sorter.py b/sorter.py
index 7d2f72c704c9f2303805a0a9a48a9804d1357f47..3da37e4f34bb3d9a208aa846e1478bc697a6289d 100644
--- a/sorter.py
+++ b/sorter.py
@@ -152,7 +152,7 @@ def sort_file(filename, course=None, lectures=None):
 	matches = filter_lectures_by_datetime(lectures, data.get('date'), data.get('time'))
 	# if we can't match exactly  based on date and time, we have to match keywords
 	if ((len(matches) != 1) and (len(data['keywords']) > 0)):
-		if not len(matches) == 0:
+		if not matches:
 			# only test lectures with the correct date/time, if we have any
 			matches = filter_lectures_by_keywords(matches, data['keywords'])
 		else:
diff --git a/stats.py b/stats.py
index 6e9df8ffb72378e48ee1d115d708ec1f76550f8b..cc19aae3db2d2e5341673ee779d5de1cca960019 100644
--- a/stats.py
+++ b/stats.py
@@ -12,12 +12,12 @@ def stats():
 	for s in semester:
 		year = int(s['semester'][0:4])
 		if s['semester'].endswith('ss'):
-			s['from'] = datetime(year,4,1)
-			s['to'] = datetime(year,10,1)
+			s['from'] = datetime(year, 4, 1)
+			s['to'] = datetime(year, 10, 1)
 		if s['semester'].endswith('ws'):
-			s['from'] = datetime(year,10,1)
-			s['to'] = datetime(year+1,4,1)
-	return render_template('stats.html',semester=semester,filter=request.args.get('filter'))
+			s['from'] = datetime(year, 10, 1)
+			s['to'] = datetime(year+1, 4, 1)
+	return render_template('stats.html', semester=semester, filter=request.args.get('filter'))
 
 statsqueries = {}
 statsqueries['formats_views'] = "SELECT formats.description AS labels, count(DISTINCT log.id) AS `values` FROM log JOIN videos ON (videos.id = log.video) JOIN formats ON (formats.id = videos.video_format) GROUP BY formats.id"