Problem: I have a "Database -- Table" on screen, and then added a "Standard
- BezierLine" connecting to one of the table's connection point. Now I want
to delete that line and make the table's connection point pt.connected
fresh.
I use python's API to disconnect this two objects programmatically. When
using layer.remove(BezierLine), and then update_connections(table), the
connection is still there. If you type connection_pt.connected, you can see
that "Standard - BezierLine" object is still in the returned tuple. This is
very weird.

The only way I can disconnect the two seems to be manually delete
the BezierLine from the screen. There is no way to do this programmatically.

Could anybody give some advice? Many thanks.
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