Merge ~barryprice/postgresql-charm/+git/postgresql-charm:master into postgresql-charm:master

[Barry Price]

Fix object syntax in data_dir error handling

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[🤖 Canonical IS Review Bot (canonical-is-reviewbot)]

Proxy approval for axino

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision de022a3abe414438b7b6ade2a59501d78e7136ed

diff --git a/reactive/postgresql/service.py b/reactive/postgresql/service.py
index d1a7f62..70e166e 100644
--- a/reactive/postgresql/service.py
+++ b/reactive/postgresql/service.py
@@ -73,7 +73,7 @@ def main():
         elif os.path.exists(postgresql.data_dir()):
             hookenv.status_set(
                 "blocked",
-                "PostgreSQL database from previous install found at {}".format(postgresql.postgresql.data_dir()),
+                "PostgreSQL database from previous install found at {}".format(postgresql.data_dir()),
             )
         else:
             hookenv.log("No pre-existing PostgreSQL database found")