unicode error in docutils

[Christian Boos]

While reading through the p.e.c Trac log, found this one:

2006-04-19 03:23:38,464 Trac[browser] DEBUG: Rendering preview of node README@3209 with mime-type text/x-rst
2006-04-19 03:23:38,468 Trac[api] DEBUG: Trying to render HTML preview using ReStructuredTextRenderer
2006-04-19 03:23:38,689 Trac[api] WARNING: HTML preview using <trac.mimeview.rst.ReStructuredTextRenderer object at 0x41dd79\
cc> failed (coercing to Unicode: need string or buffer, instance found)
Traceback (most recent call last):
  File "/usr/lib/python2.3/site-packages/trac/mimeview/api.py", line 287, in render
    filename, url)
  File "/usr/lib/python2.3/site-packages/trac/mimeview/rst.py", line 228, in render
    settings_overrides={'halt_level': 6})
  File "/usr/lib/python2.3/site-packages/docutils/core.py", line 371, in publish_string
    enable_exit_status=enable_exit_status)
  File "/usr/lib/python2.3/site-packages/docutils/core.py", line 513, in publish_programmatically
    output = pub.publish(enable_exit_status=enable_exit_status)
  File "/usr/lib/python2.3/site-packages/docutils/core.py", line 194, in publish
    self.settings)
  File "/usr/lib/python2.3/site-packages/docutils/readers/__init__.py", line 65, in read
    self.input = self.source.read()
  File "/usr/lib/python2.3/site-packages/docutils/io.py", line 280, in read
    return self.decode(self.source)
  File "/usr/lib/python2.3/site-packages/docutils/io.py", line 84, in decode
    return unicode(data, enc)
TypeError: coercing to Unicode: need string or buffer, instance found

[Jonas Borgström]

Fixed in r3421.