Rewriting the day and date every tick somehow prevented them from being removed either by clicking STOP or loading another example. The solution is to rewrite them only when they change.
(cherry picked from commit c124577ebe)
(cherry picked from commit 30d7e9e721)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Co-authored-by: Wulian <xiguawulian@gmail.com>
requires them. Disable executable bits and shebang lines in test and
benchmark files in order to prevent using a random system python, and in
source files of modules which don't provide command line interface. Fixed
shebang line to use python3 executable in the unittestgui script.
