Fix lint errors

gwcelery/tasks/external_skymaps.py

@@ -38,9 +38,10 @@ def create_combined_skymap(se_id, ext_id):
     message_png = (
         'Mollweide projection of <a href="/api/events/{graceid}/files/'
         '{filename}">{filename}</a>').format(
-            graceid=se_id, filename=new_skymap_filename + '-ext.multiorder.fits')
+            graceid=se_id,
+            filename=new_skymap_filename + '-ext.multiorder.fits')
 
-    (   
+    (
         _download_skymaps.si(
             se_skymap_filename, ext_skymap_filename, se_id, ext_id
         )
@@ -48,12 +49,12 @@ def create_combined_skymap(se_id, ext_id):
         combine_skymaps.s()
         |
         group(
-            gracedb.upload.s(new_skymap_filename + '-ext.multiorder.fits', se_id,
+            gracedb.upload.s('gw-ext.multiorder.fits', se_id,
                              message, ['sky_loc', 'public']),
 
             skymaps.plot_allsky.s()
             |
-            gracedb.upload.s(new_skymap_filename + '-ext.png', se_id,
+            gracedb.upload.s('gw-ext.png', se_id,
                              message_png, ['sky_loc', 'ext_coinc', 'public'])
         )
     ).delay()