This is a know issue and there is already a discussion on bpo-40246 ( https://bugs.python.org/issue40246) on how to resolve it.
On Wed, Apr 29, 2020 at 5:54 PM Eric V. Smith <e...@trueblade.com> wrote: > Hi, ro...@reportlab.com. > > That looks like a real error. Thanks for the detailed report. Can you > open a ticket on bugs.python.org? > > Eric > > On 4/29/2020 10:34 AM, ro...@reportlab.com wrote: > > While testing 3.9a6 in the reportlab package I see this difference from > 3.8.2; I built from source using the standard configure make dance. Is this > a real change? > > > > robin@minikat:~/devel/reportlab/REPOS/reportlab/tests > > $ python > > Python 3.8.2 (default, Apr 8 2020, 14:31:25) > > [GCC 9.3.0] on linux > > Type "help", "copyright", "credits" or "license" for more information. > >>>> norm=lambda m: m+(m and(m[-1]!='\n'and'\n'or'')or'\n') > >>>> > > robin@minikat:~/devel/reportlab/REPOS/reportlab/tests > > $ python39 > > Python 3.9.0a6 (default, Apr 29 2020, 07:46:29) > > [GCC 9.3.0] on linux > > Type "help", "copyright", "credits" or "license" for more information. > >>>> norm=lambda m: m+(m and(m[-1]!='\n'and'\n'or'')or'\n') > > File "<stdin>", line 1 > > norm=lambda m: m+(m and(m[-1]!='\n'and'\n'or'')or'\n') > > ^ > > SyntaxError: invalid string prefix > > robin@minikat:~/devel/reportlab/REPOS/reportlab/tests > > $ python39 -X oldparser > > Python 3.9.0a6 (default, Apr 29 2020, 07:46:29) > > [GCC 9.3.0] on linux > > Type "help", "copyright", "credits" or "license" for more information. > >>>> norm=lambda m: m+(m and(m[-1]!='\n'and'\n'or'')or'\n') > > File "<stdin>", line 1 > > norm=lambda m: m+(m and(m[-1]!='\n'and'\n'or'')or'\n') > > ^ > > SyntaxError: invalid string prefix > > robin@minikat:~/devel/reportlab/REPOS/reportlab/tests > > _______________________________________________ > > Python-Dev mailing list -- python-dev@python.org > > To unsubscribe send an email to python-dev-le...@python.org > > https://mail.python.org/mailman3/lists/python-dev.python.org/ > > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/PCQD2REYQ7GT6GVY2FLYEASVKRS756HO/ > > Code of Conduct: http://python.org/psf/codeofconduct/ > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/XYXI577T5ZWLKHU7G4XCR2P27UKTJCUG/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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