RDF export error: capgrids SyntaxError

[jessesnyder]

Exception thrown while running weekly RDF export:

2022-03-24 13:10:12 ERROR pleiades.rdf Exception caught computing grid extent for <Location at /plone/places/599650/undetermined>
Traceback (most recent call last):
  File "/srv/python27-apps/pleiades4/src/pleiades.rdf/pleiades/rdf/common.py", line 588, in place
    bounds = capgrids.box(mapnum, grid)
  File "/srv/python27-apps/pleiades4/src/pleiades.capgrids/pleiades/capgrids/__init__.py", line 32, in box
    return tuple(eval(inset))
  File "<string>", line 0

    ^
SyntaxError: unexpected EOF while parsing