# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2015-05-15 14:57:44
# Node ID 140c2d1e57e79c6405fac6e9673d6d49a1451c9b
# Parent  e05734cd7902d8b709fbf120433a8846d7e747e9

repoview: use try/except/finally

diff --git a/mercurial/repoview.py b/mercurial/repoview.py
--- a/mercurial/repoview.py
+++ b/mercurial/repoview.py
@@ -115,16 +115,15 @@ def trywritehiddencache(repo, hideable, 
     """
     wlock = fh = None
     try:
-        try:
-            wlock = repo.wlock(wait=False)
-            # write cache to file
-            newhash = cachehash(repo, hideable)
-            fh = repo.vfs.open(cachefile, 'w+b', atomictemp=True)
-            _writehiddencache(fh, newhash, hidden)
-        except (IOError, OSError):
-            repo.ui.debug('error writing hidden changesets cache')
-        except error.LockHeld:
-            repo.ui.debug('cannot obtain lock to write hidden changesets cache')
+        wlock = repo.wlock(wait=False)
+        # write cache to file
+        newhash = cachehash(repo, hideable)
+        fh = repo.vfs.open(cachefile, 'w+b', atomictemp=True)
+        _writehiddencache(fh, newhash, hidden)
+    except (IOError, OSError):
+        repo.ui.debug('error writing hidden changesets cache')
+    except error.LockHeld:
+        repo.ui.debug('cannot obtain lock to write hidden changesets cache')
     finally:
         if fh:
             fh.close()