X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/c314a3092c5b51c7782015f6fa9ac093b46fa174..e1041151348edf134499e3ba8549dd825dbcead9:/src/nominatim_api/core.py

diff --git a/src/nominatim_api/core.py b/src/nominatim_api/core.py
index 632c97a7..c460d98c 100644
--- a/src/nominatim_api/core.py
+++ b/src/nominatim_api/core.py
@@ -7,7 +7,7 @@
 """
 Implementation of classes for API access via libraries.
 """
-from typing import Mapping, Optional, Any, AsyncIterator, Dict, Sequence, List, Tuple
+from typing import Mapping, Optional, Any, AsyncIterator, Dict, Sequence, List, Tuple, cast
 import asyncio
 import sys
 import contextlib
@@ -107,16 +107,16 @@ class NominatimAPIAsync: #pylint: disable=too-many-instance-attributes
                     raise UsageError(f"SQlite database '{params.get('dbname')}' does not exist.")
             else:
                 dsn = self.config.get_database_params()
-                query = {k: v for k, v in dsn.items()
+                query = {k: str(v) for k, v in dsn.items()
                          if k not in ('user', 'password', 'dbname', 'host', 'port')}
 
                 dburl = sa.engine.URL.create(
                            f'postgresql+{PGCORE_LIB}',
-                           database=dsn.get('dbname'),
-                           username=dsn.get('user'),
-                           password=dsn.get('password'),
-                           host=dsn.get('host'),
-                           port=int(dsn['port']) if 'port' in dsn else None,
+                           database=cast(str, dsn.get('dbname')),
+                           username=cast(str, dsn.get('user')),
+                           password=cast(str, dsn.get('password')),
+                           host=cast(str, dsn.get('host')),
+                           port=int(cast(str, dsn['port'])) if 'port' in dsn else None,
                            query=query)
 
             engine = sa_asyncio.create_async_engine(dburl, **extra_args)