diff --git a/config.py.example b/config.py.example
index 9391f8c..31e84bb 100644
--- a/config.py.example
+++ b/config.py.example
@@ -1,4 +1,6 @@
-import os, random, string
+import os
+import random
+import string
 
 
 class Config:
diff --git a/prolefeeder.py b/prolefeeder.py
index acc653c..e4f2e08 100644
--- a/prolefeeder.py
+++ b/prolefeeder.py
@@ -21,6 +21,7 @@ Bootstrap(app)
 
 attachment_filenames = {}
 
+
 class DownloadForm(FlaskForm):
     start_time = DateTimeField('Start time',
                                validators=[InputRequired()],
@@ -111,8 +112,8 @@ def prepare_download(form):
 
     c = ['ffmpeg', '-y']
     c += ['-ss', str(ss)]
-    c += ['-i', 'concat:' + '|'.join([os.path.join(app.config['DATA_DIR'],
-        source['fn']) for source in sources])]
+    c += ['-i', 'concat:' + '|'.join(
+        [os.path.join(app.config['DATA_DIR'], s['fn']) for s in sources])]
     c += ['-codec', 'copy']
     c += ['-t', str(form.length.data * 60)]
     c += [os.path.join(app.config['TMP_DIR'], output_filename)]
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..6e8912b
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,3 @@
+[pep8]
+#ignore =
+max-line-length = 160