py27-ligo-common conflicts with py27-ligo-segments

[barracuda156]

Error: Failed to activate py27-ligo-segments: Image error: /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/ligo/__init__.py is being used by the active py27-ligo-common port.  Please deactivate this port first, or use 'port -f activate py27-ligo-segments' to force the activation.
    while executing
"throw registry::image-error $msg"
    ("foreach" body line 49)
    invoked from within
"foreach file $imagefiles {
                incr progress_step
                _progress update $progress_step $progress_total_steps
                se..."
    invoked from within
"registry::write {
            foreach file $imagefiles {
                incr progress_step
                _progress update $progress_step $progress_..."

[reneeotten (Renee Otten)]

In 39aa41a6e1f5d691badcc87de9511891295fa281/macports-ports (master):

py-ligo-segments: do not install conflicting files

Closes: #71210