diff --git a/bin/vidref b/bin/vidref
--- a/bin/vidref
+++ b/bin/vidref
@@ -16,19 +16,20 @@ light9/web/light9-vidref-playback.js Lit
 """
 from run_local import log
 
-from twisted.internet import reactor, defer
-
+from typing import cast
 import logging, optparse, json, base64, os, glob
-import cyclone.web, cyclone.httpclient, cyclone.websocket
-from light9 import networking, showconfig
-from light9.vidref import videorecorder
-from rdflib import URIRef
-from light9.newtypes import Song
-from rdfdb.syncedgraph import SyncedGraph
-from cycloneerr import PrettyErrorHandler
-from typing import cast
+
 from greplin import scales
 from greplin.scales.cyclonehandler import StatsHandler
+from rdflib import URIRef
+from twisted.internet import reactor, defer
+import cyclone.web, cyclone.httpclient, cyclone.websocket
+
+from cycloneerr import PrettyErrorHandler
+from light9 import networking, showconfig
+from light9.newtypes import Song
+from light9.vidref import videorecorder
+from rdfdb.syncedgraph import SyncedGraph
 
 parser = optparse.OptionParser()
 parser.add_option("-v", "--verbose", action="store_true", help="logging.DEBUG")
@@ -40,9 +41,9 @@ stats = scales.collection(
     '/webServer',
     scales.RecentFpsStat('liveWebsocketFrameFps'),
     scales.IntStat('liveClients'),
-    
 )
- 
+
+
 class Snapshot(cyclone.web.RequestHandler):
 
     @defer.inlineCallbacks
@@ -108,20 +109,20 @@ class Time(cyclone.web.RequestHandler):
         self.set_status(202)
 
 
-
 class Clips(PrettyErrorHandler, cyclone.web.RequestHandler):
 
     def delete(self):
         clip = URIRef(self.get_argument('uri'))
         videorecorder.deleteClip(clip)
 
+
 class ReplayMap(PrettyErrorHandler, cyclone.web.RequestHandler):
 
     def get(self):
         song = Song(self.get_argument('song'))
         clips = []
-        videoPaths = glob.glob(os.path.join(videorecorder.songDir(song),
-                                            b'*.mp4'))
+        videoPaths = glob.glob(
+            os.path.join(videorecorder.songDir(song), b'*.mp4'))
         for vid in videoPaths:
             pts = []
             for line in open(vid.replace(b'.mp4', b'.timing'), 'rb'):
@@ -175,7 +176,6 @@ reactor.listenTCP(
             (r'/stats/(.*)', StatsHandler, {
                 'serverName': 'vidref'
             }),
-
         ],
         debug=True,
     ))
diff --git a/light9/vidref/videorecorder.py b/light9/vidref/videorecorder.py
--- a/light9/vidref/videorecorder.py
+++ b/light9/vidref/videorecorder.py
@@ -1,24 +1,24 @@
 from dataclasses import dataclass
+from io import BytesIO
 from typing import Optional
 import time, logging, os, traceback
-from io import BytesIO
 
 import gi
 gi.require_version('Gst', '1.0')
 gi.require_version('GstBase', '1.0')
 
-import PIL.Image
 from gi.repository import Gst
+from greplin import scales
+from rdflib import URIRef
 from rx.subject import BehaviorSubject
 from twisted.internet import threads
-from rdflib import URIRef
+import PIL.Image
 import moviepy.editor
 import numpy
-from greplin import scales
 
+from light9 import showconfig
 from light9.ascoltami.musictime_client import MusicTime
 from light9.newtypes import Song
-from light9 import showconfig
 
 log = logging.getLogger()
 
@@ -30,9 +30,9 @@ stats = scales.collection(
     scales.PmfStat('crop', recalcPeriod=1),
     scales.RecentFpsStat('encodeFrameFps'),
     scales.RecentFpsStat('queueGstFrameFps'),
-    
 )
 
+
 @dataclass
 class CaptureFrame:
     img: PIL.Image
@@ -55,6 +55,7 @@ def songDir(song: Song) -> bytes:
         showconfig.root(), b'video',
         song.replace('http://', '').replace('/', '_').encode('ascii'))
 
+
 def takeUri(songPath: bytes) -> URIRef:
     p = songPath.decode('ascii').split('/')
     take = p[-1].replace('.mp4', '')
@@ -62,17 +63,21 @@ def takeUri(songPath: bytes) -> URIRef:
     return URIRef('/'.join(
         ['http://light9.bigasterisk.com/show', song[-2], song[-1], take]))
 
+
 def deleteClip(uri: URIRef):
     # uri http://light9.bigasterisk.com/show/dance2019/song6/take_155
     # path show/dance2019/video/light9.bigasterisk.com_show_dance2019_song6/take_155.*
     w = uri.split('/')[-4:]
-    path = '/'.join([w[0], w[1], 'video',
-                     f'light9.bigasterisk.com_{w[0]}_{w[1]}_{w[2]}', w[3]])
+    path = '/'.join([
+        w[0], w[1], 'video', f'light9.bigasterisk.com_{w[0]}_{w[1]}_{w[2]}',
+        w[3]
+    ])
     log.info(f'deleting {uri} {path}')
     stats.deletes += 1
     for fn in [path + '.mp4', path + '.timing']:
         os.remove(fn)
 
+
 class FramesToVideoFiles:
     """
 
@@ -166,7 +171,6 @@ class FramesToVideoFiles:
         if self.currentClipFrameCount < 400:
             log.info('too small- deleting')
             deleteClip(takeUri(self.outMp4.encode('ascii')))
-        
 
     def _bg_make_frame(self, video_time_secs):
         stats.encodeFrameFps.mark()
@@ -256,7 +260,7 @@ class GstSource:
     @stats.crop.time()
     def crop(self, img):
         return img.crop((0, 100, 640, 380))
-    
+
     def setupPipelineError(self, pipe, cb):
         bus = pipe.get_bus()