Random failure in ell_rational_field.py

[jdemeyer]

Garbage collection coming at the wrong time can cause

File "src/sage/schemes/elliptic_curves/ell_rational_field.py", line 590, in sage.schemes.elliptic_curves.ell_rational_field.EllipticCurve_rational_field.pari_curve
Failed example:
    _ = E.__dict__.pop('_pari_curve')  # clear cached data
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/src/sage-config/local/lib/python2.7/site-packages/sage/doctest/forker.py", line 488, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/src/sage-config/local/lib/python2.7/site-packages/sage/doctest/forker.py", line 851, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.schemes.elliptic_curves.ell_rational_field.EllipticCurve_rational_field.pari_curve[9]>", line 1, in <module>
        _ = E.__dict__.pop('_pari_curve')  # clear cached data
    KeyError: '_pari_curve'

CC: @pjbruin @vbraun

Component: elliptic curves

Keywords: random_fail

Author: Peter Bruin

Branch/Commit: 6247969

Reviewer: Volker Braun

Issue created by migration from https://trac.sagemath.org/ticket/17415

[pjbruin]

Branch: u/pbruin/17415-ell_random_fail

[pjbruin]

Commit: 6247969

[pjbruin]

Author: Peter Bruin

[vbraun]

Reviewer: Volker Braun

[vbraun]

Changed branch from u/pbruin/17415-ell_random_fail to 6247969