Traceback (most recent call last):


 "test.py", line 25, in <module>

client = fbchat.Client(fb_username, fb_password)


 "/usr/local/lib/python2.7/dist-packages/fbchat/client.py", line 113, in __init__

self.onLoggingIn += lambda email: log.info("Logging in %s..." % email)


 "/usr/local/lib/python2.7/dist-packages/fbchat/event_hook.py", line 26, in __iadd__

params = inspect.signature(handler).parameters
AttributeError: 'module' object has no attribute 'signature'

Traceback (most recent call last):


 "train.py", line 163, in <module>

tf.app.run()


 "/home/raul/tensorflow/lib/python3.6/site-packages/tensorflow/python/platform/app.py", line 48, in run

_sys.exit(main(_sys.argv[:1] + flags_passthrough))


 "train.py", line 159, in main

worker_job_name, is_chief, FLAGS.train_dir)


 "/home/raul/tensorflow/models/research/object_detection/trainer.py", line 217, in train

train_config.prefetch_queue_capacity, data_augmentation_options)


 "/home/raul/tensorflow/models/research/object_detection/trainer.py", line 59, in create_input_queue

tensor_dict = create_tensor_dict_fn()


 "/home/raul/tensorflow/models/research/object_detection/builders/input_reader_builder.py", line 72, in build

label_map_proto_file=label_map_proto_file)


 "/home/raul/tensorflow/models/research/object_detection/data_decoders/tf_example_decoder.py", line 128, in __init__

label_handler = slim_example_decoder.BackupHandler(
AttributeError: module 'tensorflow.contrib.slim.python.slim.data.tfexample_decoder' has no attribute 'BackupHandler'
