diff -r 346af7687c6f -r 89a2afe31e82 hgext/remotefilelog/shallowrepo.py
--- a/hgext/remotefilelog/shallowrepo.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/hgext/remotefilelog/shallowrepo.py	Fri Nov 27 17:03:29 2020 -0500
@@ -161,11 +161,11 @@
             return path
 
         def maybesparsematch(self, *revs, **kwargs):
-            '''
+            """
             A wrapper that allows the remotefilelog to invoke sparsematch() if
             this is a sparse repository, or returns None if this is not a
             sparse repository.
-            '''
+            """
             if revs:
                 ret = sparse.matcher(repo, revs=revs)
             else:
@@ -217,8 +217,7 @@
         def backgroundprefetch(
             self, revs, base=None, repack=False, pats=None, opts=None
         ):
-            """Runs prefetch in background with optional repack
-            """
+            """Runs prefetch in background with optional repack"""
             cmd = [procutil.hgexecutable(), b'-R', repo.origroot, b'prefetch']
             if repack:
                 cmd.append(b'--repack')