1.1.5dev: Deleting `@lazy` attributes that have not been initialized yet should not be an error, so turn it into a no-op. Fixes unit test failure (`test_upgrade_legacy_participant`) where `Environment.database_version` happens not to be used. (refs #8172)
1.1.5dev: Deleting `@lazy` attributes that have not been initialized yet should not be an error, so turn it into a no-op.
Fixes unit test failure (`test_upgrade_legacy_participant`) where `Environment.database_version` happens not to be used. (refs #8172)

git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@13927 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,walty8/trac,walty8/trac,walty8/trac