code: def get_context(self, method=None):
      if method is None:
          return self
      try:
          ctx = _concrete_contexts[method]
      except KeyError:
          raise ValueError(
              "cannot find context for %r" % method
          ) from None
      ctx._check_available()
      return ctx
  
imports: import os
  import sys
  import threading
  from .None import process
  from .None import reduction
label_desc: Use image node_id 25 for calling the BaseContext obj's underlying member method code with example usage: obj.get_context(method) and returns: ctx, self