[Debian-med-packaging] Bug#1006002: pyparsing breaks cwltool autopkgtest: assert main(["--debug", "--print-dot", cwl_path], stdout=stdout) == 0

[Paul Gevers]

Source: pyparsing, cwltool
Control: found -1 pyparsing/3.0.7-1
Control: found -1 cwltool/3.1.20211104071347-3
Severity: serious
Tags: sid bookworm
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainer(s),

With a recent upload of pyparsing the autopkgtest of cwltool fails in 
testing when that autopkgtest is run with the binary packages of 
pyparsing from unstable. It passes when run with only packages from 
testing. In tabular form:

                        pass            fail
pyparsing              from testing    3.0.7-1
cwltool                from testing    3.1.20211104071347-3
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is blocking the migration of pyparsing to 
testing [1]. Due to the nature of this issue, I filed this bug report 
against both packages. Can you please investigate the situation and 
reassign the bug to the right package? I note that cwltool is newer in 
unstable. I haven't tested if that "solves" the issue as the package is 
blocked from migrating currently.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=pyparsing

https://ci.debian.net/data/autopkgtest/testing/amd64/c/cwltool/19310147/log.gz

=================================== FAILURES 
===================================
________________________________ test_print_dot 
________________________________
[gw14] linux -- Python 3.9.10 /usr/bin/python3

     def test_print_dot() -> None:
         # print Workflow
         cwl_path = get_data("tests/wf/revsort.cwl")
         cwl_posix_path = Path(cwl_path).as_posix()
         expected_dot = pydot.graph_from_dot_data(
             """
         digraph {{
             graph [bgcolor="#eeeeee",
                     clusterrank=local,
                     labeljust=right,
                     labelloc=bottom
             ];
             subgraph cluster_inputs {{
                     graph [label="Workflow Inputs",
                             rank=same,
                             style=dashed
                     ];
                     "file://{cwl_posix_path}#workflow_input" 
[fillcolor="#94DDF4",
                             label=workflow_input,
                             style=filled];
                     "file://{cwl_posix_path}#reverse_sort" 
[fillcolor="#94DDF4",
                             label=reverse_sort,
                             style=filled];
             }}
             subgraph cluster_outputs {{
                     graph [label="Workflow Outputs",
                             labelloc=b,
                             rank=same,
                             style=dashed
                     ];
                     "file://{cwl_posix_path}#sorted_output" 
[fillcolor="#94DDF4",
                             label=sorted_output,
                             style=filled];
             }}
             "file://{cwl_posix_path}#rev" [fillcolor=lightgoldenrodyellow,
                     label=rev,
                     style=filled];
             "file://{cwl_posix_path}#sorted" 
[fillcolor=lightgoldenrodyellow,
                     label=sorted,
                     style=filled];
             "file://{cwl_posix_path}#rev" -> 
"file://{cwl_posix_path}#sorted";
             "file://{cwl_posix_path}#sorted" -> 
"file://{cwl_posix_path}#sorted_output";
             "file://{cwl_posix_path}#workflow_input" -> 
"file://{cwl_posix_path}#rev";
             "file://{cwl_posix_path}#reverse_sort" -> 
"file://{cwl_posix_path}#sorted";
     }}
         """.format(
                 cwl_posix_path=cwl_posix_path
             )
         )[0]
         stdout = StringIO()
>       assert main(["--debug", "--print-dot", cwl_path], stdout=stdout) == 0
E       AssertionError: assert 1 == 0
E        +  where 1 = main(['--debug', '--print-dot', 
'/usr/lib/python3/dist-packages/cwltool/tests/wf/revsort.cwl'], 
stdout=<_io.StringIO object at 0x7f634cc60550>)

/usr/lib/python3/dist-packages/cwltool/tests/test_examples.py:1083: 
AssertionError
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