Problem with custom import styles

[VasinYuriy]

I installed nominatim + nominatim-ui following these steps.
Then i have imported data to database using this command:

nominatim import --osm-file /srv/nominatim/nominatim-project/central-fed-district-latest.osm.pbf 2>&1 | tee setup.log

Everything worked fine.

Then, i was trying to reimport database, now with custom import style to import only buildings.
I made .env file inside /srv/nominatim/nominatim-project with one line:

NOMINATIM_IMPORT_STYLE=/srv/nominatim/style.lua

and style.lua inside /srv/nominatim with this content (according to #3696):

local flex = require('flex-base')

flex.import_topic('address')
flex.set_main_tags{building = 'always'}

I was using same command for import, but now it raises an error:

nominatim import --osm-file /srv/nominatim/nominatim-project/central-fed-district-latest.osm.pbf 2>&1 | tee setup.log
2025-04-09 14:33:04: Using project directory: /srv/nominatim/nominatim-project
2025-04-09 14:33:06: Creating database
2025-04-09 14:33:07: Setting up country tables
2025-04-09 14:33:09: Importing OSM data file
2025-04-09 14:33:09  osm2pgsql version 1.11.0
2025-04-09 14:33:09  Database version: 16.8 (Ubuntu 16.8-0ubuntu0.24.04.1)
2025-04-09 14:33:09  PostGIS version: 3.4
2025-04-09 14:33:09  Storing properties to table '"public"."osm2pgsql_properties"'.
2025-04-09 14:33:09  ERROR: Error loading lua config: /srv/nominatim/style.lua:3: attempt to call a nil value (field 'import_topic').
Traceback (most recent call last):
  File "/srv/nominatim/nominatim-venv/bin/nominatim", line 5, in <module>
    exit(cli.nominatim())
         ^^^^^^^^^^^^^^^
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/cli.py", line 244, in nominatim
    return get_set_parser().run(cli_args=cli_args, environ=environ)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/cli.py", line 116, in run
    return args.command.run(args)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/clicmd/setup.py", line 82, in run
    return asyncio.run(self.async_run(args))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/asyncio/runners.py", line 194, in run
    return runner.run(main)
           ^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/asyncio/base_events.py", line 687, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/clicmd/setup.py", line 100, in async_run
    self._base_import(args)
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/clicmd/setup.py", line 162, in _base_import
    database_import.import_osm_data(files,
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/tools/database_import.py", line 133, in import_osm_data
    run_osm2pgsql(options)
  File "/srv/nominatim/nominatim-venv/lib/python3.12/site-packages/nominatim_db/tools/exec_utils.py", line 72, in run_osm2pgsql
    subprocess.run(cmd, cwd=options.get('cwd', '.'),
  File "/usr/lib/python3.12/subprocess.py", line 571, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['/usr/bin/osm2pgsql', '--create', '--slim', '--log-progress', 'true', '--number-processes', '1', '--cache', '1570', '--style', '/srv/nominatim/style.lua', '--output', 'flex', '/srv/nominatim/nominatim-project/central-fed-district-latest.osm.pbf']' returned non-zero exit status 1.

[lonvia]

What version of Nominatim are you using? You need at least 5.0.

[VasinYuriy]

I am using nominatim 5.1. It seems like i should've used load_topic instead of import_topic. I have just made an import using this feature, and, apparently, it works and POI's are not in search results anymore.

[stouch]

@VasinYuriy If you succeeded in solving your issue with typo fix (import_topic) you can close as solved this thread :) Or is there still something wrong ?