[Python-Dev] SystemError: new style getargs format but argument is not a tuple

[Terry Reedy]

There are several recent question on Stackoverflow about

SystemError: new style getargs format but argument is not a tuple

PIL/pillow, 2.7, Nov 28, 2016
https://stackoverflow.com/questions/40844212/systemerror-new-style-getargs-format-but-argument-is-not-a-tuple-even-the-argum

ImageDraw.draw.line(), python, Sep 14, 2016
https://stackoverflow.com/questions/39497458/imagedraw-draw-line-systemerror-new-style-getargs-format-but-argument-is-no?rq=1

opencv, cv2.line, python, Sep 19, 2016
https://stackoverflow.com/questions/32673359/systemerror-new-style-getargs-format-but-argument-is-not-a-tuple?rq=1

opencv, cv2.imread/show, python, Nov 5, 2016
https://stackoverflow.com/questions/13225525/system-error-new-style-getargs-format-but-argument-is-not-a-tuple-when-using?rq=1
(code mostly from doc)

??.imread?, python, Jan 1, 2017
https://stackoverflow.com/questions/41419688/systemerror-new-style-getargs-format-but-argument-is-not-a-tuple-it-is-a-tup

(and maybe others)
[Would that people would identify OS and exact version of both python 
and imported module ;-)]

No one commenting has a clue.  Is message from Victor's new calling 
code?  Was it backported to 2.7?  Could error be a result of running old 
3rd party binary that needs to be recompiled?


-- 
Terry Jan Reedy