Python cannot use threading, gets attribute error

Question

I'm trying to declare an object of a class that is defined in a local .py-file that I have not written myself. The declaration goes like this:

GPS_thread = GPS()
GPS_thread.run()

When it reaches the second line the program crashes and gives the error "AttributeError:_Thread__target". I have no idea what this means.

I have tried to look up other forum threads on similar subjects and found that they often recomend that I try to look for a local file called "threading" which is blocking the view of the proper file. The only thing I could fins was threading.pyc, the compiled version of threading.py, which is imported in the GPS-library. I deleted it, but that did not help.

Any advice?

Traceback (most recent call last):
  File "C:\Users\Python\mscript\controlc.py", line 228, in <module>
    main()
  File "C:\Users\Python\mscript\controlc.py", line 140, in main
    GPS_thread.run()
  File "C:\Python27\lib\threading.py", line 767, in run
    del self.__target, self.__args, self.__kwargs
AttributeError: _Thread__target

GPS - Global Positioning System. I'm working with a project that uses GPS-devices. The code controling them is in a particular, locally written library. — user2536262
– user2536262, Commented Jul 15, 2014 at 8:38

ThinkChaos · Accepted Answer · 2014-07-15 08:39:33Z

4

run is what you override, but don't call: docs.
Use GPS_thread.start(), this will fork and call GPS_thread.run in the background. docs

answered Jul 15, 2014 at 8:39

ThinkChaos

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1 Comment

user2536262 Over a year ago

The __init__(self) of the GPS-class calls the start()-method, which I guess then calls the (locally defined) run()-method. Manually calling the run()-method apparently was a misguided attempt to solve another problem.

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