code: def check_handle(self):
      if self.handle is not self.__class__.active_global_handle:
          raise IntegratorConcurrencyError(self.__class__.__name__)
  
imports: import re
  import warnings
  from numpy import asarray, array, zeros, isscalar, real, imag, vstack
  from .None import vode
  from .None import _dop
  from .None import lsoda
label_desc: Use image node_id 2 for calling the IntegratorBase obj's underlying member method code with example usage: obj.check_handle() without return types