py3: use pycompat.byteskwargs() in tests/autodiff.py

Differential Revision: https://phab.mercurial-scm.org/D3129

tests/autodiff.py

@@ -1,50 +1,52 b''
 # Extension dedicated to test patch.diff() upgrade modes
 
 from __future__ import absolute_import
 
 from mercurial import (
     error,
     patch,
+    pycompat,
     registrar,
     scmutil,
 )
 
 cmdtable = {}
 command = registrar.command(cmdtable)
 
 @command(b'autodiff',
     [(b'', b'git', b'', b'git upgrade mode (yes/no/auto/warn/abort)')],
     b'[OPTION]... [FILE]...')
 def autodiff(ui, repo, *pats, **opts):
+    opts = pycompat.byteskwargs(opts)
     diffopts = patch.difffeatureopts(ui, opts)
     git = opts.get(b'git', b'no')
     brokenfiles = set()
     losedatafn = None
     if git in (b'yes', b'no'):
         diffopts.git = git == b'yes'
         diffopts.upgrade = False
     elif git == b'auto':
         diffopts.git = False
         diffopts.upgrade = True
     elif git == b'warn':
         diffopts.git = False
         diffopts.upgrade = True
         def losedatafn(fn=None, **kwargs):
             brokenfiles.add(fn)
             return True
     elif git == b'abort':
         diffopts.git = False
         diffopts.upgrade = True
         def losedatafn(fn=None, **kwargs):
             raise error.Abort(b'losing data for %s' % fn)
     else:
         raise error.Abort(b'--git must be yes, no or auto')
 
     ctx1, ctx2 = scmutil.revpair(repo, [])
     m = scmutil.match(ctx2, pats, opts)
     it = patch.diff(repo, ctx1.node(), ctx2.node(), match=m, opts=diffopts,
                     losedatafn=losedatafn)
     for chunk in it:
         ui.write(chunk)
     for fn in sorted(brokenfiles):
         ui.write((b'data lost for: %s\n' % fn))