diff --git a/nominatim/clicmd/replication.py b/nominatim/clicmd/replication.py
index b7956506..192a9314 100644
--- a/nominatim/clicmd/replication.py
+++ b/nominatim/clicmd/replication.py
@@ -142,7 +142,7 @@ class UpdateReplication:
             if not args.do_index:
                 LOG.fatal("Indexing cannot be disabled when running updates continuously.")
                 raise UsageError("Bad argument '--no-index'.")
-            recheck_interval = args.config.get_int('REPLICATION_RECHECK_INTERVAL')
+        recheck_interval = args.config.get_int('REPLICATION_RECHECK_INTERVAL')
 
         tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config)
         indexer = Indexer(args.config.get_libpq_dsn(), tokenizer, args.threads or 1)
diff --git a/nominatim/db/async_core_library.py b/nominatim/db/async_core_library.py
index 4a4b9f29..a5d0b793 100644
--- a/nominatim/db/async_core_library.py
+++ b/nominatim/db/async_core_library.py
@@ -7,15 +7,17 @@
 """
 Import the base library to use with asynchronous SQLAlchemy.
 """
-# pylint: disable=invalid-name
+# pylint: disable=invalid-name, ungrouped-imports, unused-import
 
 from typing import Any
 
 try:
+    import sqlalchemy.dialects.postgresql.psycopg
     import psycopg
     PGCORE_LIB = 'psycopg'
     PGCORE_ERROR: Any = psycopg.Error
 except ModuleNotFoundError:
+    import sqlalchemy.dialects.postgresql.asyncpg
     import asyncpg
     PGCORE_LIB = 'asyncpg'
     PGCORE_ERROR = asyncpg.PostgresError