Traceback (most recent call last):


 "demo.py", line 56, in <module>

demo(opt)


 "demo.py", line 49, in demo

ret = detector.run(image_name)


 "/home/ying/CenterNet/src/lib/detectors/base_detector.py", line 105, in run

images, meta = self.pre_process(image, scale, meta)


 "/home/ying/CenterNet/src/lib/detectors/base_detector.py", line 38, in pre_process

height, width = image.shape[0:2]
AttributeError: 'NoneType' object has no attribute 'shape'
Traceback (most recent call last):

 "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()

 "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(_self.__args, *_self.__kwargs)

 "/usr/local/lib/python2.7/dist-packages/prompt_toolkit/interface.py", line 835, in run
completions = list(buffer.completer.get_completions(document, complete_event))

 "/usr/local/lib/python2.7/dist-packages/mycli/sqlcompleter.py", line 255, in get_completions
suggestions = suggest_type(document.text, document.text_before_cursor)

 "/usr/local/lib/python2.7/dist-packages/mycli/packages/completion_engine.py", line 85, in suggest_type
full_text, identifier)

 "/usr/local/lib/python2.7/dist-packages/mycli/packages/completion_engine.py", line 134, in suggest_based_on_last_token
token_v = token.value.lower()
AttributeError: 'tuple' object has no attribute 'value'