diff --git a/docs/source/conf.py b/docs/source/conf.py
index 42f5c9c6..aca97b66 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -19,7 +19,6 @@
 
 autoclass_content = "both"
 
-import cities_light
 
 
 # -- Project information -----------------------------------------------------
diff --git a/ruff.toml b/ruff.toml
new file mode 100644
index 00000000..72fef103
--- /dev/null
+++ b/ruff.toml
@@ -0,0 +1,77 @@
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".ipynb_checkpoints",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pyenv",
+    ".pytest_cache",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    ".vscode",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "site-packages",
+    "venv",
+]
+
+# Same as Black.
+line-length = 88
+indent-width = 4
+
+# Assume Python 3.8
+target-version = "py39"
+
+[lint]
+# Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
+# Unlike Flake8, Ruff doesn't enable pycodestyle warnings (`W`) or
+# McCabe complexity (`C901`) by default.
+select = ["E4", "E7", "E9", "F"]
+ignore = []
+
+# Allow fix for all enabled rules (when `--fix`) is provided.
+fixable = ["ALL"]
+unfixable = []
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+[format]
+# Like Black, use double quotes for strings.
+quote-style = "double"
+
+# Like Black, indent with spaces, rather than tabs.
+indent-style = "space"
+
+# Like Black, respect magic trailing commas.
+skip-magic-trailing-comma = false
+
+# Like Black, automatically detect the appropriate line ending.
+line-ending = "auto"
+
+# Enable auto-formatting of code examples in docstrings. Markdown,
+# reStructuredText code/literal blocks and doctests are all supported.
+#
+# This is currently disabled by default, but it is planned for this
+# to be opt-out in the future.
+docstring-code-format = false
+
+# Set the line length limit used when formatting code snippets in
+# docstrings.
+#
+# This only has an effect when the `docstring-code-format` setting is
+# enabled.
+docstring-code-line-length = "dynamic"
\ No newline at end of file
diff --git a/src/cities_light/__init__.py b/src/cities_light/__init__.py
index 8cb355d2..8fe0e8f7 100644
--- a/src/cities_light/__init__.py
+++ b/src/cities_light/__init__.py
@@ -1,6 +1,15 @@
-from .signals import *
-from .exceptions import *
-from .settings import *
+from .signals import country_items_pre_import, country_items_post_import, \
+    region_items_pre_import, region_items_post_import, \
+    subregion_items_pre_import, subregion_items_post_import, \
+    city_items_pre_import, city_items_post_import, \
+    translation_items_pre_import
+from .exceptions import CitiesLightException, InvalidItems, SourceFileDoesNotExist
+from .settings import FIXTURES_BASE_URL, COUNTRY_SOURCES, REGION_SOURCES, \
+    SUBREGION_SOURCES, CITY_SOURCES, TRANSLATION_LANGUAGES, \
+    TRANSLATION_SOURCES, SOURCES, DATA_DIR, INDEX_SEARCH_NAMES, \
+    INCLUDE_COUNTRIES, INCLUDE_CITY_TYPES, DEFAULT_APP_NAME, \
+    CITIES_LIGHT_APP_NAME, ICountry, IRegion, ISubRegion, ICity, \
+    IAlternate
 from . import version
 
 __version__ = version.version
diff --git a/src/cities_light/migrations/0002_city.py b/src/cities_light/migrations/0002_city.py
index 5493645a..0aabf3fd 100644
--- a/src/cities_light/migrations/0002_city.py
+++ b/src/cities_light/migrations/0002_city.py
@@ -1,6 +1,5 @@
 from django.db import models, migrations
 import autoslug.fields
-import cities_light.models
 from cities_light.settings import INDEX_SEARCH_NAMES
 
 
diff --git a/src/cities_light/migrations/0003_auto_20141120_0342.py b/src/cities_light/migrations/0003_auto_20141120_0342.py
index a3ab75fb..88f31da8 100644
--- a/src/cities_light/migrations/0003_auto_20141120_0342.py
+++ b/src/cities_light/migrations/0003_auto_20141120_0342.py
@@ -1,4 +1,4 @@
-from django.db import models, migrations
+from django.db import migrations
 import cities_light.models
 
 from cities_light.settings import INDEX_SEARCH_NAMES
diff --git a/src/cities_light/migrations/0004_autoslug_update.py b/src/cities_light/migrations/0004_autoslug_update.py
index 8b24a3bd..06071a68 100644
--- a/src/cities_light/migrations/0004_autoslug_update.py
+++ b/src/cities_light/migrations/0004_autoslug_update.py
@@ -1,4 +1,4 @@
-from django.db import models, migrations
+from django.db import migrations
 import autoslug.fields
 
 
diff --git a/src/cities_light/migrations/0006_compensate_for_0003_bytestring_bug.py b/src/cities_light/migrations/0006_compensate_for_0003_bytestring_bug.py
index 085a7809..913f8673 100644
--- a/src/cities_light/migrations/0006_compensate_for_0003_bytestring_bug.py
+++ b/src/cities_light/migrations/0006_compensate_for_0003_bytestring_bug.py
@@ -1,4 +1,4 @@
-from django.db import migrations, models
+from django.db import migrations
 import cities_light.abstract_models
 
 from cities_light.settings import INDEX_SEARCH_NAMES
diff --git a/src/cities_light/models.py b/src/cities_light/models.py
index 710695c5..9825709a 100644
--- a/src/cities_light/models.py
+++ b/src/cities_light/models.py
@@ -83,7 +83,7 @@ def set_city_fields(sender, instance, items, **kwargs):
 from .abstract_models import (AbstractCountry, AbstractRegion,
                               AbstractSubRegion, AbstractCity,
                               CONTINENT_CHOICES,
-                              ToSearchTextField, to_search, to_ascii)
+                              to_search, to_ascii)
 
 from .signals import *
 from .receivers import *
diff --git a/src/cities_light/tests/test_downloader.py b/src/cities_light/tests/test_downloader.py
index 9524afd1..12a4e2f9 100644
--- a/src/cities_light/tests/test_downloader.py
+++ b/src/cities_light/tests/test_downloader.py
@@ -9,7 +9,6 @@
 from cities_light.downloader import Downloader
 from cities_light.exceptions import SourceFileDoesNotExist
 
-import builtins as b  # do not remove
 
 
 class TestDownloader(test.TransactionTestCase):