Developing my first Extension: MineMeld Server now reports ERROR RETRIEVING EXTENSIONS LIST


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Developing my first Extension: MineMeld Server now reports ERROR RETRIEVING EXTENSIONS LIST

I worked on my first extension today (based on the structure and files of youtube-miner).


As soon as I imported it into MineMeld I got the ERROR RETRIEVING EXTENSIONS LIST: INTERNAL SERVER ERROR red box of shame.   


What log should I be looking in for clues?  I've searched a bit and I know this was the path of the local folder.   I removed it but that hasn't helped.





I found this in minemeld-web.log, 


[2018-12-23 23:21:18 EST] [29663] [ERROR] Exception on /extensions [GET]
Traceback (most recent call last):
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/", line 1982, in wsgi_app
    response = self.full_dispatch_request()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/", line 1614, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/", line 1517, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/", line 1612, in full_dispatch_request
    rv = self.dispatch_request()
  File "/opt/minemeld/engine/current/local/lib/python2.7/site-packages/flask/", line 1598, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/opt/minemeld/engine/core/minemeld/flask/", line 125, in decorated_view
    return f(*args, **kwargs)
  File "/opt/minemeld/engine/core/minemeld/flask/", line 135, in decorated_view
    return f(*args, **kwargs)
  File "/opt/minemeld/engine/core/minemeld/flask/", line 168, in list_extensions
    extensions = _get_extensions()
  File "/opt/minemeld/engine/core/minemeld/flask/", line 54, in _get_extensions
    return minemeld.extensions.extensions(library_directory)
  File "/opt/minemeld/engine/core/minemeld/extensions/", line 284, in extensions
    _installed = installed_extensions(installation_dir)
  File "/opt/minemeld/engine/core/minemeld/extensions/", line 265, in installed_extensions
    installed_extension = _load_metadata_from_dir(epath)
  File "/opt/minemeld/engine/core/minemeld/extensions/", line 206, in _load_metadata_from_dir
    metadata = json.load(f)
  File "/usr/lib/python2.7/json/", line 291, in load
  File "/usr/lib/python2.7/json/", line 339, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/", line 364, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/", line 380, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Expecting property name: line 11 column 9 (char 425) - - [23/Dec/2018:23:21:18 -0500] "GET /extensions?_=1545625278 HTTP/1.0" 500 291 "https://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0"
[2018-12-23 23:21:37 EST] [29663] [DEBUG] redis session connection pool: in use: 0 available: 1
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