docstr: Changes the backend to the specified one
  
  Parameters
  ----------
  backend : tensorly.Backend or str
      name of the backend to load or Backend Class
  local_threadsafe : bool, optional, default is False
      If False, set the backend as default for all threads
docstr_tok: ["Changes","the","backend","to","the","specified","one","Parameters","--","--","--","--","--","backend",":","tensorly.Backend","or","str","name","of","the","backend","to","load","or","Backend","Class","local_threadsafe",":","bool",",","optional",",","default","is","False","If","False",",","set","the","backend","as","default","for","all","threads"]
code: def set_backend(cls, backend, local_threadsafe=False):
      """Changes the backend to the specified one
  
      Parameters
      ----------
      backend : tensorly.Backend or str
          name of the backend to load or Backend Class
      local_threadsafe : bool, optional, default is False
          If False, set the backend as default for all threads
      """
      if not isinstance(backend, Backend):
          # Backend is a string
          if backend not in cls._loaded_backends:
              backend = cls.load_backend(backend)
          else:
              backend = cls._loaded_backends[backend]
  
      cls._THREAD_LOCAL_DATA.backend = backend
      if not local_threadsafe:
          cls._default_backend = backend.backend_name
          cls._backend = backend
  
imports: import warnings
  from .core import Backend, backend_array
  import importlib
  import os
  import threading
  from contextlib import contextmanager
  import inspect
  import types
  import sys
label_desc: Use image node_id 10 for calling the BackendManager obj's underlying member method code with example usage: obj.set_backend(cls, backend, local_threadsafe) without return types