py3: namedtuple takes unicode (journal ext)

namedtuple usage consistent with changelog.py:141

hgext/journal.py

@@ -177,8 +177,8 b' def unsharejournal(orig, ui, repo, repop'
     return orig(ui, repo, repopath)
 
 class journalentry(collections.namedtuple(
-        'journalentry',
-        'timestamp user command namespace name oldhashes newhashes')):
+        u'journalentry',
+        u'timestamp user command namespace name oldhashes newhashes')):
     """Individual journal entry
 
     * timestamp: a mercurial (time, timezone) tuple

tests/test-check-py3-compat.t

@@ -23,7 +23,6 b''
   hgext/fsmonitor/pywatchman/capabilities.py: error importing: <ImportError> No module named 'pybser' (error at __init__.py:*)
   hgext/fsmonitor/pywatchman/pybser.py: error importing: <ImportError> No module named 'pybser' (error at __init__.py:*)
   hgext/fsmonitor/watchmanclient.py: error importing: <ImportError> No module named 'pybser' (error at __init__.py:*)
-  hgext/journal.py: error importing: <ValueError> Type names and field names must be valid identifiers: "b'journalentry'" (error at journal.py:*)
   hgext/largefiles/basestore.py: error importing: <SyntaxError> cannot mix bytes and nonbytes literals (subversion.py, line 533) (error at convcmd.py:*)
   hgext/largefiles/lfcommands.py: error importing: <SyntaxError> cannot mix bytes and nonbytes literals (subversion.py, line 533) (error at convcmd.py:*)
   hgext/largefiles/lfutil.py: error importing: <SyntaxError> cannot mix bytes and nonbytes literals (subversion.py, line 533) (error at convcmd.py:*)