[issue4891] formatwarning function signature change breaks code

Georg Brandl added the comment: Probably too late to change something here. -- nosy: +georg.brandl resolution: -> out of date status: open -> closed ___ Python tracker ___ _

[issue4891] formatwarning function signature change breaks code

Changes by Brian Curtin : -- priority: -> normal stage: -> test needed type: crash -> behavior ___ Python tracker ___ ___ Python-bugs

[issue4891] formatwarning function signature change breaks code

Glenn Linderman added the comment: For reference, the issue on the CherryPy tracker is #891 (amazing numerical coincidence 891 there and 4891 here). ___ Python tracker ___ ___

[issue4891] formatwarning function signature change breaks code

New submission from Glenn Linderman : External code that temporarily replaces warnings.formatwarning, a technique used in IDLE and worked around (see issue 4043), is broken by the addition of the optional parameter lineno to the formatwarning function. While normal calls to functions can be "com