warn not in misc

[videlec]

sage: G = Graphics()
sage: G = line2d([(0,0), (1,1)])
sage: G.legend(True)
sage: G.show()
...
.../graphics.pyc in
   2661             leg = subplot.legend(prop=prop, **lopts)
   2662             if leg is None:
-> 2663                 sage.misc.misc.warn("legend requested but no items are labeled")
   2664             else:
   2665                 # color
AttributeError: 'module' object has no attribute 'warn'

This is the kind of things that should have been in a doctest!!

Component: graphics

Keywords: bug, thursdaysbdx

Reviewer: Markus Wageringel

Issue created by migration from https://trac.sagemath.org/ticket/24303

[mkoeppe]

comment:1

Fixed in #29895

[mwageringel]

Reviewer: Markus Wageringel