diff -r b95992605ef1 -r 3198d5a2514e mercurial/context.py
--- a/mercurial/context.py	Thu Apr 05 18:02:42 2018 +0200
+++ b/mercurial/context.py	Fri Apr 06 09:34:44 2018 -0700
@@ -449,10 +449,6 @@
                 return
             except KeyError:
                 pass
-            except error.FilteredRepoLookupError:
-                raise
-            except error.RepoLookupError:
-                pass
 
             self._node = repo.unfiltered().changelog._partialmatch(changeid)
             if self._node is not None: