Failed to load beer-sample bucket on single node

Trying to load the beer-sample dataset, at node setup

[ns_server:error,2012-08-24T0:33:06.471,ns_1@127.0.0.1:<0.1080.0>:menelaus_web:install_samples:541]cbdocloader failed unexpectedly: status: 1, msgs: [{#Port<0.7435>,
{data,
"[Errno 13] Permission denied: '/opt/couchbase/lib/python/_working'\n"}},
{#Port<0.7435>,
{data,"OSError: "}},
{#Port<0.7435>,
{data,
" mkdir(name, mode)\n"}},
{#Port<0.7435>,
{data,
" File \"/usr/lib64/python2.6/os.py\", line 157, in makedirs\n"}},
{#Port<0.7435>,
{data,
" os.makedirs(upperdirs)\n"}},
{#Port<0.7435>,
{data,
" return self._extract_member(member, path, pwd)\n File \"/usr/lib64/python2.6/zipfile.py\", line 962, in _extract_member\n"}},
{#Port<0.7435>,
{data,
" File \"/usr/lib64/python2.6/zipfile.py\", line 926, in extract\n"}},
{#Port<0.7435>,
{data,
" self.extract(zipinfo, path, pwd)\n"}},
{#Port<0.7435>,
{data,
" File \"/usr/lib64/python2.6/zipfile.py\", line 938, in extractall\n"}},
{#Port<0.7435>,
{data,
" zfobj.extractall(working_dir)\n"}},
{#Port<0.7435>,
{data,
" File \"/opt/couchbase/lib/python/cbdocloader\", line 122, in unzip_file_and_upload\n"}},
{#Port<0.7435>,
{data,
" self.unzip_file_and_upload()\n"}},
{#Port<0.7435>,
{data,
" File \"/opt/couchbase/lib/python/cbdocloader\", line 135, in populate_docs\n"}},
{#Port<0.7435>,
{data,
" docloader.populate_docs()\n"}},
{#Port<0.7435>,
{data,
" File \"/opt/couchbase/lib/python/cbdocloader\", line 160, in main\n"}},
{#Port<0.7435>,
{data," main()\n"}},
{#Port<0.7435>,
{data,
"

{'username': None, 'node': '127.0.0.1:8091', 'password': None, 'bucket': 'beer-sample', 'ram_quota': 100}

['/opt/couchbase/bin/../samples/beer-sample.zip']\nTraceback (most recent call last):\n File \"/opt/couchbase/lib/python/cbdocloader\", line 166, in <module>\n"}},
{#Port<0.7435>,
{data,
"[2012-08-24 00:32:51,923] - [rest_client] [139990174127872] - INFO - http://127.0.0.1:8091//pools/default/buckets with param: proxyPort=11211&bucketType=membase&authType=sasl&name=beer-sample&replicaNumber=1&saslPassword=&ramQuotaMB=100\n"}},
{#Port<0.7435>,
{data,
"[2012-08-24 00:32:51,914] - [rest_client] [139990174127872] - INFO - existing buckets : []\n"}}]