python: json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes

Traceback (most recent call last):
  File "INQ.py", line 3, in <module>
    from keras import backend as K
  File "/home/chutz/anaconda3/lib/python3.6/site-packages/keras/__init__.py", line 2, in <module>
    from . import backend
  File "/home/chutz/anaconda3/lib/python3.6/site-packages/keras/backend/__init__.py", line 31, in <module>
    _config = json.load(open(_config_path))
  File "/home/chutz/anaconda3/lib/python3.6/json/__init__.py", line 299, in load
    parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
  File "/home/chutz/anaconda3/lib/python3.6/json/__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "/home/chutz/anaconda3/lib/python3.6/json/decoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/home/chutz/anaconda3/lib/python3.6/json/decoder.py", line 355, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes: line 6 column 1 (char 102)

应该是json对象的打开方式不对，某个需要用双引号的地方没有用对，但是我具体看不到错误的地方

解决方法是删除了anaconda里python3.6的keras重新安装了一遍，就解决了…………

1、到/path/to/anaconda/lib/python3.6/site-packages，删除keras相关包

2、conda install keras-gpu重新安装一遍