An Exception Has Occurred

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/viewvc/lib/viewvc.py", line 4855, in main
    request.run_viewvc()
  File "/usr/lib/viewvc/lib/viewvc.py", line 408, in run_viewvc
    self.view_func(self)
  File "/usr/lib/viewvc/lib/viewvc.py", line 3564, in view_diff
    fp = request.repos.rawdiff(p1, rev1, p2, rev2, diff_type, diff_options)
  File "/usr/lib/viewvc/lib/vclib/svn/svn_repos.py", line 575, in rawdiff
    temp1 = temp_checkout(self, p1, r1)
  File "/usr/lib/viewvc/lib/vclib/svn/svn_repos.py", line 228, in temp_checkout
    temp = tempfile.mktemp()
  File "/usr/lib/python2.7/tempfile.py", line 371, in mktemp
    dir = gettempdir()
  File "/usr/lib/python2.7/tempfile.py", line 275, in gettempdir
    tempdir = _get_default_tempdir()
  File "/usr/lib/python2.7/tempfile.py", line 217, in _get_default_tempdir
    ("No usable temporary directory found in %s" % dirlist))
IOError: [Errno 2] No usable temporary directory found in ['/tmp', '/var/tmp', '/usr/tmp', '/usr/local/share/fusionforge/plugins/scmsvn/libexec']