I tried this obvious step and it failed as shown below.  I guess that
the sourcecode oauth is not getting on the path, or something is
hardcoded to the old copy.

bin/compile_templates
Traceback (most recent call last):
  File "bin/compile_templates", line 26, in <module>
    canonical.launchpad.scripts.execute_zcml_for_scripts()
  File "/home/mbp/launchpad/lp-branches/work/lib/canonical/launchpad/scripts/__init__.py",
line 85, in execute_zcml_for_scripts
    scriptzcmlfilename, execute=True, context=context)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 647, in file
    include(context, name, package)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 546, in include
    processxmlfile(f, context)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 378, in processxmlfile
    parser.parse(src)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/usr/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 357, in endElementNS
    self.context.end()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 537, in end
    self.stack.pop().finish()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 685, in finish
    actions = self.handler(context, **args)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 546, in include
    processxmlfile(f, context)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 378, in processxmlfile
    parser.parse(src)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/usr/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 357, in endElementNS
    self.context.end()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 537, in end
    self.stack.pop().finish()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 685, in finish
    actions = self.handler(context, **args)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 546, in include
    processxmlfile(f, context)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 378, in processxmlfile
    parser.parse(src)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/usr/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 357, in endElementNS
    self.context.end()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 537, in end
    self.stack.pop().finish()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 685, in finish
    actions = self.handler(context, **args)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 546, in include
    processxmlfile(f, context)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 378, in processxmlfile
    parser.parse(src)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 107, in parse
    xmlreader.IncrementalParser.parse(self, source)
  File "/usr/lib/python2.6/xml/sax/xmlreader.py", line 123, in parse
    self.feed(buffer)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 207, in feed
    self._parser.Parse(data, isFinal)
  File "/usr/lib/python2.6/xml/sax/expatreader.py", line 349, in end_element_ns
    self._cont_handler.endElementNS(pair, None)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/xmlconfig.py",
line 357, in endElementNS
    self.context.end()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 537, in end
    self.stack.pop().finish()
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 684, in finish
    args = toargs(context, *self.argdata)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 1376, in toargs
    args[str(name)] = field.fromUnicode(s)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/fields.py",
line 229, in fromUnicode
    v = vt.fromUnicode(s)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/fields.py",
line 139, in fromUnicode
    value = self.context.resolve(name)
  File "/home/mbp/launchpad/lp-sourcedeps/eggs/zope.configuration-3.6.0-py2.6.egg/zope/configuration/config.py",
line 180, in resolve
    mod = __import__(mname, *_import_chickens)
  File "/home/mbp/launchpad/lp-branches/work/lib/canonical/launchpad/browser/__init__.py",
line 18, in <module>
    from canonical.launchpad.browser.oauth import *
  File "/home/mbp/launchpad/lp-branches/work/lib/canonical/launchpad/browser/oauth.py",
line 35, in <module>
    from canonical.launchpad.webapp.authentication import (
  File "/home/mbp/launchpad/lp-branches/work/lib/canonical/launchpad/webapp/authentication.py",
line 21, in <module>
    from contrib.oauth import OAuthRequest
zope.configuration.xmlconfig.ZopeXMLConfigurationError: File
"/home/mbp/launchpad/lp-branches/work/script.zcml", line 7.4-7.35
    ZopeXMLConfigurationError: File
"/home/mbp/launchpad/lp-branches/work/lib/canonical/configure.zcml",
line 18.4-18.37
    ZopeXMLConfigurationError: File
"/home/mbp/launchpad/lp-branches/work/lib/lp/services/configure.zcml",
line 9.2-9.31
    ZopeXMLConfigurationError: File
"/home/mbp/launchpad/lp-branches/work/lib/lp/services/fields/configure.zcml",
line 13.4-19.10
    ImportError: No module named oauth
make: *** [compile] Error 1
make check  35.07s user 10.12s system 82% cpu 54.525 total