code: def transfer(x, target):
      try:
          get_context(target)
          return as_gpuarray_variable(x, target)
      except ContextNotDefined:
          pass
  
file_path: Theano/theano/gpuarray/__init__.py
imports: from __future__ import absolute_import, print_function, division
  import sys
  import os
  import logging
  import warnings
  import theano
  from theano import config
  from theano.compile import optdb
  from theano.tensor.basic import register_transfer
  from .type import GpuArrayType, GpuArrayVariable, GpuArrayConstant, GpuArraySharedVariable, gpuarray_shared_constructor, reg_context, get_context, ContextNotDefined
  from .basic_ops import as_gpuarray_variable
  from .None import fft, dnn, opt, extra_ops, multinomial, reduction, sort, rng_mrg, ctc
label_desc: Use image node_id 1 for calling a global function with example usage: transfer(x, target) and returns: as_gpuarray_variable