fix style issue found by flake8

src/nominatim_db/tools/special_phrases/importer_statistics.py

@@ -11,6 +11,7 @@
 import logging
 LOG = logging.getLogger()
 
+
 class SpecialPhrasesImporterStatistics():
     """
         Class handling statistics of the import

src/nominatim_db/tools/special_phrases/sp_csv_loader.py

@@ -16,6 +16,7 @@ import os
 from ...errors import UsageError
 from .special_phrase import SpecialPhrase
 
+
 class SPCsvLoader:
     """
         Handles loading of special phrases from external csv file.
@@ -23,7 +24,6 @@ class SPCsvLoader:
     def __init__(self, csv_path: str) -> None:
         self.csv_path = csv_path
 
-
     def generate_phrases(self) -> Iterable[SpecialPhrase]:
         """ Open and parse the given csv file.
             Create the corresponding SpecialPhrases.
@@ -35,7 +35,6 @@ class SPCsvLoader:
             for row in reader:
                 yield SpecialPhrase(row['phrase'], row['class'], row['type'], row['operator'])
 
-
     def _check_csv_validity(self) -> None:
         """
             Check that the csv file has the right extension.

src/nominatim_db/tools/special_phrases/sp_importer.py

@@ -28,6 +28,7 @@ from ...tokenizer.base import AbstractTokenizer
 
 LOG = logging.getLogger()
 
+
 def _classtype_table(phrase_class: str, phrase_type: str) -> str:
     """ Return the name of the table for the given class and type.
     """
@@ -96,7 +97,6 @@ class SPImporter():
         LOG.warning('Import done.')
         self.statistics_handler.notify_import_done()
 
-
     def _fetch_existing_place_classtype_tables(self) -> None:
         """
             Fetch existing place_classtype tables.
@@ -114,7 +114,7 @@ class SPImporter():
                 self.table_phrases_to_delete.add(row[0])
 
     def _load_white_and_black_lists(self) \
-          -> Tuple[Mapping[str, Sequence[str]], Mapping[str, Sequence[str]]]:
+            -> Tuple[Mapping[str, Sequence[str]], Mapping[str, Sequence[str]]]:
         """
             Load white and black lists from phrases-settings.json.
         """
@@ -163,7 +163,6 @@ class SPImporter():
 
         return (phrase.p_class, phrase.p_type)
 
-
     def _create_classtype_table_and_indexes(self,
                                             class_type_pairs: Iterable[Tuple[str, str]]) -> None:
         """
@@ -207,7 +206,6 @@ class SPImporter():
         with self.db_connection.cursor() as db_cursor:
             db_cursor.execute("DROP INDEX idx_placex_classtype")
 
-
     def _create_place_classtype_table(self, sql_tablespace: str,
                                       phrase_class: str, phrase_type: str) -> None:
         """
@@ -224,7 +222,6 @@ class SPImporter():
                              """).format(Identifier(table_name), SQL(sql_tablespace)),
                         (phrase_class, phrase_type))
 
-
     def _create_place_classtype_indexes(self, sql_tablespace: str,
                                         phrase_class: str, phrase_type: str) -> None:
         """
@@ -248,7 +245,6 @@ class SPImporter():
                                           Identifier(base_table),
                                           SQL(sql_tablespace)))
 
-
     def _grant_access_to_webuser(self, phrase_class: str, phrase_type: str) -> None:
         """
             Grant access on read to the table place_classtype for the webuser.
@@ -259,7 +255,6 @@ class SPImporter():
                               .format(Identifier(table_name),
                                       Identifier(self.config.DATABASE_WEBUSER)))
 
-
     def _remove_non_existent_tables_from_db(self) -> None:
         """
             Remove special phrases which doesn't exist on the wiki anymore.

src/nominatim_db/tools/special_phrases/sp_wiki_loader.py

@@ -17,6 +17,7 @@ from .special_phrase import SpecialPhrase
 
 LOG = logging.getLogger()
 
+
 def _get_wiki_content(lang: str) -> str:
     """
         Request and return the wiki page's content
@@ -43,12 +44,11 @@ class SPWikiLoader:
         self.type_fix_pattern = re.compile(r'\"|"')
 
         self.languages = self.config.get_str_list('LANGUAGES') or \
-                         ['af', 'ar', 'br', 'ca', 'cs', 'de', 'en', 'es',
-                          'et', 'eu', 'fa', 'fi', 'fr', 'gl', 'hr', 'hu',
-                          'ia', 'is', 'it', 'ja', 'mk', 'nl', 'no', 'pl',
-                          'ps', 'pt', 'ru', 'sk', 'sl', 'sv', 'uk', 'vi',
-                          'lv', 'tr']
-
+            ['af', 'ar', 'br', 'ca', 'cs', 'de', 'en', 'es',
+             'et', 'eu', 'fa', 'fi', 'fr', 'gl', 'hr', 'hu',
+             'ia', 'is', 'it', 'ja', 'mk', 'nl', 'no', 'pl',
+             'ps', 'pt', 'ru', 'sk', 'sl', 'sv', 'uk', 'vi',
+             'lv', 'tr']
 
     def generate_phrases(self) -> Iterable[SpecialPhrase]:
         """ Download the wiki pages for the configured languages

src/nominatim_db/tools/special_phrases/special_phrase.py

@@ -12,6 +12,7 @@
 """
 from typing import Any
 
+
 class SpecialPhrase:
     """
         Model representing a special phrase.
@@ -29,9 +30,9 @@ class SpecialPhrase:
             return False
 
         return self.p_label == other.p_label \
-               and self.p_class == other.p_class \
-               and self.p_type == other.p_type \
-               and self.p_operator == other.p_operator
+            and self.p_class == other.p_class \
+            and self.p_type == other.p_type \
+            and self.p_operator == other.p_operator
 
     def __hash__(self) -> int:
         return hash((self.p_label, self.p_class, self.p_type, self.p_operator))