Suddenly I get the following error.
sage: notebook()
---------------------------------------------------------------------------
UnpicklingError Traceback (most recent call last)
<ipython-input-1-3728cb3d7c7d> in <module>()
----> 1 notebook()
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/notebook/notebook_object.pyc
in __call__(self, *args, **kwds)
226 """
227 def __call__(self, *args, **kwds):
--> 228 return self.notebook(*args, **kwds)
229
230 notebook = run_notebook.notebook_run
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/notebook/run_notebook.pyc
in notebook_run(self, directory, port, interface, port_tries, secure,
reset, accounts, openid, server_pool, ulimit, timeout, doc_timeout, upload,
automatic_login, start_path, fork, quiet, server, profile, subnets,
require_login, open_viewer, address)
527 # if none use defaults
528
--> 529 nb = notebook.load_notebook(directory)
530
531 directory = nb._dir
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/notebook/notebook.pyc
in load_notebook(dir, interface, port, secure, user_manager)
1809
1810 dir = make_path_relative(dir)
-> 1811 nb = Notebook(dir)
1812 nb.interface = interface
1813 nb.port = port
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/notebook/notebook.pyc
in __init__(self, dir, user_manager)
138 # Now set the configuration, loaded from the datastore.
139 try:
--> 140 self.__conf = S.load_server_conf()
141 except IOError:
142 # Worksheet has never been saved before, so the server
conf doesn't exist.
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/storage/filesystem_storage.pyc
in load_server_conf(self)
219
220 def load_server_conf(self):
--> 221 return self._basic_to_server_conf(self._load('conf.pickle'))
222
223 def save_server_conf(self, server_conf):
/home/drsantanu/Downloads/sage-5.13-linux-64bit-ubuntu_12.04.3_lts-x86_64-Linux/devel/sagenb/sagenb/storage/filesystem_storage.pyc
in _load(self, filename)
165 def _load(self, filename):
166 with open(self._abspath(filename)) as f:
--> 167 result = cPickle.load(f)
168 return result
169
UnpicklingError: invalid load key, '�'.
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