Sage was working and then all of a sudden when I try to start it I get
this message. Does anyone know how to fix this?
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/notebook/notebook_object.pyc in __call__(self, *args,
**kwds)
215 """
216 def __call__(self, *args, **kwds):
--> 217 return self.notebook(*args, **kwds)
218
219 notebook = run_notebook.notebook_twisted
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/notebook/run_notebook.pyc in notebook_twisted(self,
directory, port, interface, address, port_tries, secure, reset,
accounts, require_login, server_pool, ulimit, timeout, open_viewer,
sagetex_path, start_path, fork, quiet, subnets)
200 print '*' * 70
201
--> 202 nb = notebook.load_notebook(directory)
203
204 directory = nb._dir
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/notebook/notebook.pyc in load_notebook(dir, interface,
port, secure)
1798
1799 dir = make_path_relative(dir)
-> 1800 nb = Notebook(dir)
1801 nb.interface = interface
1802 nb.port = port
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/notebook/notebook.pyc in __init__(self, dir)
93 # Set the list of users
94 try:
---> 95 self.__users = S.load_users()
96 except IOError:
97 self.__users = {}
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/storage/filesystem_storage.pyc in load_users(self)
211 {'admin': admin, 'wstein': wstein}
212 """
--> 213 return
self._basic_to_users(self._load('users.pickle'))
214
215 def save_users(self, users):
/opt/sage-4.7.1-linux-64bit-ubuntu_10.04.1_lts-x86_64-Linux/devel/
sagenb/sagenb/storage/filesystem_storage.pyc in _load(self, filename)
132
#########################################################################
133 def _load(self, filename):
--> 134 return cPickle.load(open(self._abspath(filename)))
135
136 def _save(self, obj, filename, ):
EOFError:
--
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