v2writable: delete ::Import obj when ->done

As with the ::Import class this wraps, we want this to be
usable as a checkpoint and be able to call ->add afterwards.
We'll be relying on ->done to flush changes through all
partition and skeleton DBs for deduplication checks.

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 81c7a4d16c0189902d87fbc052ac4d26e57b1c04..0470fb0ef5a14e6fc44218585000ee337e2095a0 100644 (file)
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -115,7 +115,7 @@ sub remove {
 
 sub done {
        my ($self) = @_;
-       my $im = $self->{im};
+       my $im = delete $self->{im};
        $im->done if $im; # PublicInbox::Import::done
        $self->searchidx_checkpoint(0);
 }