---------------------------------------------------------------------------
InvalidArgumentError                      Traceback (most recent call last)
/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _do_call(self, fn, *args)
   1364     try:
-> 1365       return fn(*args)
   1366     except errors.OpError as e:

7 frames
/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _run_fn(feed_dict, fetch_list, target_list, options, run_metadata)
   1349       return self._call_tf_sessionrun(options, feed_dict, fetch_list,
-> 1350                                       target_list, run_metadata)
   1351

/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _call_tf_sessionrun(self, options, feed_dict, fetch_list, target_list, run_metadata)
   1442                                             fetch_list, target_list,
-> 1443                                             run_metadata)
   1444

InvalidArgumentError: Cannot place the graph because a reference or resource edge connects colocation groups with incompatible assigned devices: /job:localhost/replica:0/task:0/device:GPU:0 vs /job:localhost/replica:0/task:0/device:CPU:0. The edge src node is G_synthesis_1/4x4/Const/const , and the dst node is _retval_G_synthesis_1/4x4/Const/const_0_0

During handling of the above exception, another exception occurred:

InvalidArgumentError                      Traceback (most recent call last)
<ipython-input-10-01cac24e7009> in <module>()
----> 1 v1 = (tflib.run(['G_synthesis_1/4x4/Const/const:0'])[0])

/content/stylegan2/dnnlib/tflib/tfutil.py in run(*args, **kwargs)
     29     """Run the specified ops in the default session."""
     30     assert_tf_initialized()
---> 31     return tf.get_default_session().run(*args, **kwargs)
     32
     33

/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in run(self, fetches, feed_dict, options, run_metadata)
    954     try:
    955       result = self._run(None, fetches, feed_dict, options_ptr,
--> 956                          run_metadata_ptr)
    957       if run_metadata:
    958         proto_data = tf_session.TF_GetBuffer(run_metadata_ptr)

/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _run(self, handle, fetches, feed_dict, options, run_metadata)
   1178     if final_fetches or final_targets or (handle and feed_dict_tensor):
   1179       results = self._do_run(handle, final_targets, final_fetches,
-> 1180                              feed_dict_tensor, options, run_metadata)
   1181     else:
   1182       results = []

/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _do_run(self, handle, target_list, fetch_list, feed_dict, options, run_metadata)
   1357     if handle is None:
   1358       return self._do_call(_run_fn, feeds, fetches, targets, options,
-> 1359                            run_metadata)
   1360     else:
   1361       return self._do_call(_prun_fn, handle, feeds, fetches)

/tensorflow-1.15.2/python3.6/tensorflow_core/python/client/session.py in _do_call(self, fn, *args)
   1382                     '\nsession_config.graph_options.rewrite_options.'
   1383                     'disable_meta_optimizer = True')
-> 1384       raise type(e)(node_def, op, message)
   1385
   1386   def _extend_graph(self):

InvalidArgumentError: Cannot place the graph because a reference or resource edge connects colocation groups with incompatible assigned devices: /job:localhost/replica:0/task:0/device:GPU:0 vs /job:localhost/replica:0/task:0/device:CPU:0. The edge src node is G_synthesis_1/4x4/Const/const , and the dst node is _retval_G_synthesis_1/4x4/Const/const_0_0