[MacPorts] #60137: `sudo port -f clean --all all` fails

[MacPorts]

#60137: `sudo port -f clean --all all` fails
--------------------------+-----------------------
  Reporter:  AndyWharton  |      Owner:  michaelld
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.2
Resolution:               |   Keywords:
      Port:  pybombs      |
--------------------------+-----------------------
Changes (by mf2k):

 * owner:  (none) => michaelld
 * status:  new => assigned
 * component:  base => ports
 * port:   => pybombs


Comment:

 This a Portfile issue with the port directly after pybind11. That is
 pybombs.

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Ticket URL: <https://trac.macports.org/ticket/60137#comment:1>
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