diff --git a/uploadr.py b/uploadr.py
index 637ff03..39546c0 100644
--- a/uploadr.py
+++ b/uploadr.py
@@ -17,15 +17,18 @@ app.config['SECRET_KEY'] = os.urandom(24)
 encode = urllib.parse.quote
 decode = urllib.parse.unquote
 
+
 def check_create(dir):
     if not os.path.isdir(dir):
         os.makedirs(dir)
 
+
 check_create(config.uploads)
 check_create(config.qrcodes)
 
+
 @app.route("/")
-@app.route('/upload', methods=['GET','POST'])
+@app.route('/upload', methods=['GET', 'POST'])
 def upload_file():
     if request.method == 'POST':
         f = request.files['file']
@@ -34,42 +37,40 @@ def upload_file():
         file_dir = config.uploads + '/' + filename
         check_create(file_dir)
         check_create(file_dir + '/' + time_uploaded)
-        f.save(config.uploads 
-                + '/' + encode(filename)
-                + '/' + time_uploaded
-                + '/' + filename)
+        f.save(config.uploads
+               + '/' + encode(filename)
+               + '/' + time_uploaded
+               + '/' + filename)
         return render_template('upload_success.html',
-                link = filename + '?version=' + time_uploaded,
-                port = config.port,
-                )
+                               link=filename + '?version=' + time_uploaded,
+                               port=config.port,
+                               )
     else:
-        return render_template('upload.html',
-                port = config.port,
-                )
+        return render_template('upload.html', port=config.port)
+
 
 @app.route('/qrcodes/<filename>')
 def qrcodes(filename):
     link = 'http://{0}:{1}/download/{2}?version={3}'.format(
-            config.domain
-            , config.port
-            , encode(filename)
-            , request.args.get('version')
+            config.domain, config.port, encode(filename),
+            request.args.get('version')
             )
     image = qrcode.make(link)
-    with open(config.qrcodes + '/' + filename+ '.png', mode = 'bw+') as file:
+    with open(config.qrcodes + '/' + filename + '.png', mode='bw+') as file:
         image.save(file)
-    return send_from_directory(config.qrcodes, filename + '.png', as_attachment=True)
+    return send_from_directory(config.qrcodes, filename + '.png',
+                               as_attachment=True)
+
 
 @app.route('/qr/<filename>')
 def qr(filename=None):
-    return render_template('qr.html'
-            , imagesrc = 'http://{0}:{1}/qrcodes/{2}?version={3}'.format(
-                 config.domain
-                , config.port
-                , filename
-                , request.args.get('version')
-                )
-            )
+    return render_template('qr.html', imagesrc='http://{0}:{1}/qrcodes/{2}?'
+                           'version={3}'.format(
+                             config.domain, config.port, filename,
+                             request.args.get('version')
+                             )
+                           )
+
 
 @app.route('/download/<filename>')
 def download(filename=None):
@@ -80,18 +81,22 @@ def download(filename=None):
         existing_versions = glob.glob(directory_base + '*')
         existing_versions.sort()
         latest_version = existing_versions[-1]
-        directory = latest_version 
+        directory = latest_version
+
+    return flask.send_from_directory(directory, decode(filename),
+                                     as_attachment=True)
 
-    return flask.send_from_directory(directory, decode(filename), as_attachment=True)
 
 @app.route('/css/<filename>')
 def css(filename=None):
     return flask.send_from_directory('css', filename)
 
+
 @app.route('/fonts/<filename>')
 def fonts(filename=None):
     return flask.send_from_directory('fonts', filename)
 
+
 if __name__ == '__main__':
     app.debug = True
     app.run()