diff -r 47fac1692ede -r 9f70512ae2cf hgext/remotefilelog/metadatastore.py
--- a/hgext/remotefilelog/metadatastore.py	Sun Nov 10 07:30:14 2019 -0800
+++ b/hgext/remotefilelog/metadatastore.py	Fri Nov 08 11:19:20 2019 -0800
@@ -12,12 +12,12 @@
         super(unionmetadatastore, self).__init__(*args, **kwargs)
 
         self.stores = args
-        self.writestore = kwargs.get(r'writestore')
+        self.writestore = kwargs.get('writestore')
 
         # If allowincomplete==True then the union store can return partial
         # ancestor lists, otherwise it will throw a KeyError if a full
         # history can't be found.
-        self.allowincomplete = kwargs.get(r'allowincomplete', False)
+        self.allowincomplete = kwargs.get('allowincomplete', False)
 
     def getancestors(self, name, node, known=None):
         """Returns as many ancestors as we're aware of.