bugGNU Octave - Bugs: bug #65900, [octave forge] (symbolic) Failing...


bug #65900: [octave forge] (symbolic) Failing unit test in @sym/bernoulli.m

Submitter:  Rafael Laboissière <rlaboiss>
Submitted:  Thu 20 Jun 2024 08:57:47 AM UTC
Category:  Octave Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error or Warning
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * other Operating System:  * GNU/Linux
Fixed Release:  None Planned Release:  None
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Thu 20 Jun 2024 01:30:07 PM UTC, comment #1: 

Adding package maintainer to CC list.

Markus Mützel <mmuetzel>
Group administrator
Thu 20 Jun 2024 08:57:47 AM UTC, original submission:  

With Octave 9.2.0, symbolic 3.2.1, Python 3.11.9, and SymPy 1.12.1, one of the unit tests in vpa.m fails:

***** test
 % we use B_1 = 1/2
 if (pycall_sympy__ ('return Version(spver) >= Version("1.12.dev")'))
   assert (isequal (bernoulli (sym(1)), sym(1)/2))
!!!!! test failed
Python exception: TypeError: '>=' not supported between instances of 'int' and 'str'
    occurred at line 1 of the Python code block:
    return Version(spver) >= Version("1.12.dev")

In my Debian system, with package python3-packaging installed, the problem disappears.

This may be caused by this piece of code in inst/private/python_header.py:

        from packaging.version import Version
    except ImportError:
            # available on SymPy >= 1.9
            from sympy.external.importtools import version_tuple as Version
        except ImportError:
            # will fail on Python 3.12: drop this soon in favour of above
            from distutils.version import LooseVersion
            def Version(v):
                return LooseVersion(v.replace('.dev', ''))

Rafael Laboissière <rlaboiss>


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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2024-06-20 mmuetzel Carbon-Copy- Added cbm

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