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Mon, 29 Jun 2026 03:27:43 -0700 (PDT) X-Received: by 2002:a05:6a21:4c08:b0:3bf:6c05:a4 with SMTP id adf61e73a8af0-3bf6c0545d4mr8697002637.51.1782728863048; Mon, 29 Jun 2026 03:27:43 -0700 (PDT) MIME-Version: 1.0 References: <178272818483.265272.4788225930285924307.reportbug@carbon> <CAKv0x7UChp_g8apr0dUfAy7zZso=HVWfkqo0VDYUW3MahXHdUQ@mail.gmail.com> In-Reply-To: <CAKv0x7UChp_g8apr0dUfAy7zZso=HVWfkqo0VDYUW3MahXHdUQ@mail.gmail.com> From: Ujjwal Sarswat <ujjwal.sarswat@canonical.com> Date: Mon, 29 Jun 2026 15:57:31 +0530 X-Gm-Features: AVVi8CcvxZWLIk3KzlrCB74Hr1LsnVBN84ctgdtUxfHXK8_3oi7ZMJPgBqeO0-8 Message-ID: <CAKv0x7XeTByS3LJnpN8siMUo6Cw1=VzZkj3BhaUZSmfV8cFAnA@mail.gmail.com> Subject: Re: Bug#1141074: siconos: test_bouncing_ball fails with ValueError: setting an array element with a sequence To: 1141074-done@bugs.debian.org Content-Type: multipart/alternative; boundary="0000000000009cfb9b065561e857" --0000000000009cfb9b065561e857 Content-Type: text/plain; charset="UTF-8" Closing this bug report as it is a duplicate. I recently submitted this issue, but I have since realized that it is already being tracked under another active bug report (Bug #1136873). To prevent fragmented discussions and keep the BTS clean, I am closing this duplicate. All relevant logs and patches have been noted in the primary bug report. Thanks, vmpyr On Mon, 29 Jun 2026 at 15:53, Ujjwal Sarswat <ujjwal.sarswat@canonical.com> wrote: > Hindsight, seems to be a duplicate of: > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1136873 > > On Mon, 29 Jun 2026 at 15:49, Ujjwal Sarswat <ujjwal.sarswat@canonical.com> > wrote: > >> Source: siconos >> Severity: important >> Tags: patch >> X-Debbugs-Cc: ujjwal.sarswat@canonical.com >> >> Dear Maintainer, >> >> I've encountered an issue while building `siconos` locally. The >> `siconos.kernel` test suite fails during `test_bouncing_ball.py` with a >> `ValueError: setting an array element with a sequence.` >> >> This is caused by stricter dimensionality enforcement in NumPy 2.4. It no >> longer permits implicitly converting 1-dimensional arrays or sequences into >> Python scalars when assigning to a specific coordinate in a pre-allocated >> array. The value must be explicitly extracted as a scalar by appending >> `[0]`. >> >> Relevant Traceback snippet: >> ---------------------------------------------------------------------- >> test_bouncing_ball.py::test_bouncing_ball2 FAILED >> [ 50%] >> test_bouncing_ball.py::test_bouncing_ball3 FAILED >> [ 75%] >> test_bouncing_ball.py::test_bouncing_ball4 FAILED >> [100%] >> >> =================================== FAILURES >> =================================== >> _____________________________ test_bouncing_ball2 >> ______________________________ >> TypeError: only 0-dimensional arrays can be converted to Python scalars >> >> The above exception was the direct cause of the following exception: >> [...] >> # Get the values to be plotted >> # ->saved in a matrix data >> >> s_d.computeOneStep() >> >> data = np.empty((nb_time_steps + 1, 5)) >> data_d = np.empty((nb_time_steps + 1, 5)) >> >> data[0, 0] = t0 >> data[0, 1] = ball.q()[0] >> data[0, 2] = ball.velocity()[0] >> data[0, 3] = ball.p(1)[0] >> > data[0, 4] = inter.lambda_(1) >> ^^^^^^^^^^ >> E ValueError: setting an array element with a sequence. >> >> test_bouncing_ball.py:240: ValueError >> ---------------------------------------------------------------------- >> >> Upstream context: >> There is no need to forward this upstream. Upstream is currently working >> on major architectural changes (currently on rc1) that remove or >> significantly alter the directories associated with this bug. >> >> However, since those upstream changes will take time to finalize and >> land, a simple interim patch indexing the array with `[0]` is necessary for >> Debian to restore the build and pass the tests. >> >> This patch has been merged into Ubuntu. >> >> --- a/kernel/swig/tests/test_bouncing_ball.py >> +++ b/kernel/swig/tests/test_bouncing_ball.py >> @@ -237,13 +237,13 @@ >> data[0, 1] = ball.q()[0] >> data[0, 2] = ball.velocity()[0] >> data[0, 3] = ball.p(1)[0] >> - data[0, 4] = inter.lambda_(1) >> + data[0, 4] = inter.lambda_(1)[0] >> >> data_d[0, 0] = t0 >> data_d[0, 1] = ball_d.q()[0] >> data_d[0, 2] = ball_d.velocity()[0] >> data_d[0, 3] = ball_d.p(1)[0] >> - data_d[0, 4] = inter_d.lambda_(1) >> + data_d[0, 4] = inter_d.lambda_(1)[0] >> >> k = 1 >> >> Thanks, >> vmpyr >> >> >> -- System Information: >> Debian Release: forky/sid >> APT prefers resolute-updates >> APT policy: (500, 'resolute-updates'), (500, 'resolute-security'), >> (500, 'resolute') >> Architecture: amd64 (x86_64) >> >> Kernel: Linux 7.0.0-22-generic (SMP w/16 CPU threads; PREEMPT) >> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE >> not set >> Shell: /bin/sh linked to /usr/bin/dash >> Init: systemd (via /run/systemd/system) >> LSM: AppArmor: enabled >> > --0000000000009cfb9b065561e857 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr">Closing this bug report as it is a duplicate.<div><br>I re= cently submitted this issue, but I have since realized that it is already b= eing tracked under another active bug report (Bug #1136873).<br><br>To prev= ent fragmented discussions and keep the BTS clean, I am closing this duplic= ate. All relevant logs and patches have been noted in the primary bug repor= t.<br><br>Thanks,<br>vmpyr</div></div><br><div class=3D"gmail_quote gmail_q= uote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, 29 Jun 2026 a= t 15:53, Ujjwal Sarswat <<a href=3D"mailto:ujjwal.sarswat@canonical.com"= >ujjwal.sarswat@canonical.com</a>> wrote:<br></div><blockquote class=3D"= gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20= 4,204,204);padding-left:1ex"><div dir=3D"ltr">Hindsight, seems to be a dupl= icate of:=C2=A0<a href=3D"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug= =3D1136873" target=3D"_blank">https://bugs.debian.org/cgi-bin/bugreport.cgi= ?bug=3D1136873</a></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cla= ss=3D"gmail_attr">On Mon, 29 Jun 2026 at 15:49, Ujjwal Sarswat <<a href= =3D"mailto:ujjwal.sarswat@canonical.com" target=3D"_blank">ujjwal.sarswat@c= anonical.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" styl= e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin= g-left:1ex">Source: siconos<br> Severity: important<br> Tags: patch<br> X-Debbugs-Cc: <a href=3D"mailto:ujjwal.sarswat@canonical.com" target=3D"_bl= ank">ujjwal.sarswat@canonical.com</a><br> <br> Dear Maintainer,<br> <br> I've encountered an issue while building `siconos` locally. The `sicono= s.kernel` test suite fails during `test_bouncing_ball.py` with a `ValueErro= r: setting an array element with a sequence.` <br> <br> This is caused by stricter dimensionality enforcement in NumPy 2.4. It no l= onger permits implicitly converting 1-dimensional arrays or sequences into = Python scalars when assigning to a specific coordinate in a pre-allocated a= rray. The value must be explicitly extracted as a scalar by appending `[0]`= .<br> <br> Relevant Traceback snippet:<br> ----------------------------------------------------------------------<br> test_bouncing_ball.py::test_bouncing_ball2 FAILED=C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 [ 50%]<br> test_bouncing_ball.py::test_bouncing_ball3 FAILED=C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 [ 75%]<br> test_bouncing_ball.py::test_bouncing_ball4 FAILED=C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 [100%]<br> <br> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D FAILURES =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br= > _____________________________ test_bouncing_ball2 _________________________= _____<br> TypeError: only 0-dimensional arrays can be converted to Python scalars<br> <br> The above exception was the direct cause of the following exception:<br> [...]<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 # Get the values to be plotted<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 # ->saved in a matrix data<br> <br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 s_d.computeOneStep()<br> <br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data =3D np.empty((nb_time_steps + 1, 5))<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data_d =3D np.empty((nb_time_steps + 1, 5))<br> <br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data[0, 0] =3D t0<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data[0, 1] =3D ball.q()[0]<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data[0, 2] =3D ball.velocity()[0]<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data[0, 3] =3D ball.p(1)[0]<br> >=C2=A0 =C2=A0 =C2=A0 =C2=A0data[0, 4] =3D inter.lambda_(1)<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 ^^^^^^^^^^<br> E=C2=A0 =C2=A0 =C2=A0 =C2=A0ValueError: setting an array element with a seq= uence.<br> <br> test_bouncing_ball.py:240: ValueError<br> ----------------------------------------------------------------------<br> <br> Upstream context: <br> There is no need to forward this upstream. Upstream is currently working on= major architectural changes (currently on rc1) that remove or significantl= y alter the directories associated with this bug. <br> <br> However, since those upstream changes will take time to finalize and land, = a simple interim patch indexing the array with `[0]` is necessary for Debia= n to restore the build and pass the tests.<br> <br> This patch has been merged into Ubuntu.<br> <br> --- a/kernel/swig/tests/test_bouncing_ball.py<br> +++ b/kernel/swig/tests/test_bouncing_ball.py<br> @@ -237,13 +237,13 @@<br> =C2=A0 =C2=A0 =C2=A0data[0, 1] =3D ball.q()[0]<br> =C2=A0 =C2=A0 =C2=A0data[0, 2] =3D ball.velocity()[0]<br> =C2=A0 =C2=A0 =C2=A0data[0, 3] =3D ball.p(1)[0]<br> -=C2=A0 =C2=A0 data[0, 4] =3D inter.lambda_(1)<br> +=C2=A0 =C2=A0 data[0, 4] =3D inter.lambda_(1)[0]<br> <br> =C2=A0 =C2=A0 =C2=A0data_d[0, 0] =3D t0<br> =C2=A0 =C2=A0 =C2=A0data_d[0, 1] =3D ball_d.q()[0]<br> =C2=A0 =C2=A0 =C2=A0data_d[0, 2] =3D ball_d.velocity()[0]<br> =C2=A0 =C2=A0 =C2=A0data_d[0, 3] =3D ball_d.p(1)[0]<br> -=C2=A0 =C2=A0 data_d[0, 4] =3D inter_d.lambda_(1)<br> +=C2=A0 =C2=A0 data_d[0, 4] =3D inter_d.lambda_(1)[0]<br> <br> =C2=A0 =C2=A0 =C2=A0k =3D 1<br> <br> Thanks,<br> vmpyr<br> <br> <br> -- System Information:<br> Debian Release: forky/sid<br> =C2=A0 APT prefers resolute-updates<br> =C2=A0 APT policy: (500, 'resolute-updates'), (500, 'resolute-s= ecurity'), (500, 'resolute')<br> Architecture: amd64 (x86_64)<br> <br> Kernel: Linux 7.0.0-22-generic (SMP w/16 CPU threads; PREEMPT)<br> Locale: LANG=3Den_US.UTF-8, LC_CTYPE=3Den_US.UTF-8 (charmap=3DUTF-8), LANGU= AGE not set<br> Shell: /bin/sh linked to /usr/bin/dash<br> Init: systemd (via /run/systemd/system)<br> LSM: AppArmor: enabled<br> </blockquote></div> </blockquote></div> --0000000000009cfb9b065561e857-- ]