An Exception Has Occurred

Python Traceback

  File "/usr/local/viewvc/lib/viewvc.py", line 5561, in main
    request.run_viewvc()
  File "/usr/local/viewvc/lib/viewvc.py", line 459, in run_viewvc
    self.view_func(self)
  File "/usr/local/viewvc/lib/viewvc.py", line 2362, in view_roots
    expand_root_parents(request.cfg)
  File "/usr/local/viewvc/lib/viewvc.py", line 5383, in expand_root_parents
    roots = vclib.svn.expand_root_parent(path, path_encoding)
  File "/usr/local/viewvc/lib/vclib/svn/__init__.py", line 76, in expand_root_parent
    roots[rootname] = canonicalize_rootpath(rootpath)
  File "/usr/local/viewvc/lib/vclib/svn/__init__.py", line 42, in canonicalize_rootpath
    rootpath = _canonicalize_path(rootpath)
  File "/usr/local/viewvc/lib/vclib/svn/__init__.py", line 35, in _canonicalize_path
    import svn.core
ModuleNotFoundError: No module named 'svn'