diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/fluidsynth.py b/fluidsynth.py
index 5f9d699..e4cb430 100644
--- a/fluidsynth.py
+++ b/fluidsynth.py
@@ -22,12 +22,24 @@
 ================================================================================
 """
 
+import os
 from ctypes import (
-    CDLL, CFUNCTYPE, POINTER, Structure, byref, c_void_p, create_string_buffer, c_char,
-    c_char_p, c_double, c_float, c_int, c_short, c_uint
+    CDLL,
+    CFUNCTYPE,
+    POINTER,
+    Structure,
+    byref,
+    c_char,
+    c_char_p,
+    c_double,
+    c_float,
+    c_int,
+    c_short,
+    c_uint,
+    c_void_p,
+    create_string_buffer,
 )
 from ctypes.util import find_library
-import os
 
 # DLL search method changed in Python 3.8
 # https://docs.python.org/3/library/os.html#os.add_dll_directory
@@ -93,10 +105,7 @@ def cfunc(name, result, *args):
 
 majver = c_int()
 fluid_version(majver, c_int(), c_int())
-if majver.value > 1:
-    FLUIDSETTING_EXISTS = FLUID_OK
-else:
-    FLUIDSETTING_EXISTS = 1
+FLUIDSETTING_EXISTS = FLUID_OK if majver.value > 1 else 1
 
 # fluid settings
 new_fluid_settings = cfunc('new_fluid_settings', c_void_p)
@@ -710,11 +719,11 @@ def start(self, driver=None, device=None, midi_driver=None, midi_router=None):
         see http://www.fluidsynth.org/api/fluidsettings.xml for allowed values and defaults by platform
         """
         driver = driver or self.get_setting('audio.driver')
-        device = device or self.get_setting('audio.%s.device' % driver)
+        device = device or self.get_setting(f'audio.{driver}.device')
         midi_driver = midi_driver or self.get_setting('midi.driver')
 
         self.setting('audio.driver', driver)
-        self.setting('audio.%s.device' % driver, device)
+        self.setting(f'audio.{driver}.device', device)
         self.audio_driver = new_fluid_audio_driver(self.settings, self.synth)
         self.setting('midi.driver', midi_driver)
         self.router = new_fluid_midi_router(self.settings, fluid_synth_handle_midi_event, self.synth)
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1f8b8f6
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,74 @@
+[tool.ruff]
+line-length = 123
+target-version = "py38"
+
+[tool.ruff.lint]
+select = [
+  "AIR",   # Airflow
+  "ASYNC", # flake8-async
+  "B",     # flake8-bugbear
+  "BLE",   # flake8-blind-except
+  "C4",    # flake8-comprehensions
+  "C90",   # McCabe cyclomatic complexity
+  "COM",   # flake8-commas
+  "DJ",    # flake8-django
+  "DTZ",   # flake8-datetimez
+  "E",     # pycodestyle
+  "F",     # Pyflakes
+  "FA",    # flake8-future-annotations
+  "FIX",   # flake8-fixme
+  "FLY",   # flynt
+  "G",     # flake8-logging-format
+  "I",     # isort
+  "INP",   # flake8-no-pep420
+  "INT",   # flake8-gettext
+  "ISC",   # flake8-implicit-str-concat
+  "LOG",   # flake8-logging
+  "NPY",   # NumPy-specific rules
+  "PD",    # pandas-vet
+  "PERF",  # Perflint
+  "PGH",   # pygrep-hooks
+  "PIE",   # flake8-pie
+  "PT",    # flake8-pytest-style
+  "PYI",   # flake8-pyi
+  "RSE",   # flake8-raise
+  "S",     # flake8-bandit
+  "SIM",   # flake8-simplify
+  "SLF",   # flake8-self
+  "SLOT",  # flake8-slots
+  "T10",   # flake8-debugger
+  "TCH",   # flake8-type-checking
+  "TD",    # flake8-todos
+  "TID",   # flake8-tidy-imports
+  "TRIO",  # flake8-trio
+  "UP",    # pyupgrade
+  "YTT",   # flake8-2020
+  # "A",     # flake8-builtins
+  # "ANN",   # flake8-annotations
+  # "ARG",   # flake8-unused-arguments
+  # "CPY",   # flake8-copyright
+  # "D",     # pydocstyle
+  # "EM",    # flake8-errmsg
+  # "ERA",   # eradicate
+  # "EXE",   # flake8-executable
+  # "FBT",   # flake8-boolean-trap
+  # "FURB",  # refurb
+  # "ICN",   # flake8-import-conventions
+  # "N",     # pep8-naming
+  # "PL",    # Pylint
+  # "PTH",   # flake8-use-pathlib
+  # "Q",     # flake8-quotes
+  # "RET",   # flake8-return
+  # "RUF",   # Ruff-specific rules
+  # "T20",   # flake8-print
+  # "TRY",   # tryceratops
+  # "W",     # pycodestyle
+]
+
+[tool.ruff.lint.per-file-ignores]
+"__init__.py" = [
+  "E402",
+]
+"test/*" = [
+  "S101",
+]
diff --git a/test/__init__.py b/test/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/test/sequencerTest.py b/test/sequencerTest.py
index 65a0e50..66ed022 100644
--- a/test/sequencerTest.py
+++ b/test/sequencerTest.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import time
+
 import fluidsynth
 
 seqduration = 1000
diff --git a/test/test1.py b/test/test1.py
index 72f5139..da84abf 100644
--- a/test/test1.py
+++ b/test/test1.py
@@ -1,6 +1,8 @@
 import time
+
 import fluidsynth
 
+
 def local_file_path(file_name: str) -> str:
     """
     Return a file path to a file that is in the same directory as this file.
diff --git a/test/test2.py b/test/test2.py
index 03f7d9c..c9efc12 100644
--- a/test/test2.py
+++ b/test/test2.py
@@ -1,7 +1,9 @@
 import numpy
 import pyaudio
+
 import fluidsynth
 
+
 def local_file_path(file_name: str) -> str:
     """
     Return a file path to a file that is in the same directory as this file.
diff --git a/test/test3.py b/test/test3.py
index c42cedc..be74512 100644
--- a/test/test3.py
+++ b/test/test3.py
@@ -2,6 +2,7 @@
 
 import fluidsynth
 
+
 def local_file_path(file_name: str) -> str:
     """
     Return a file path to a file that is in the same directory as this file.
diff --git a/test/test4.py b/test/test4.py
index cef3f66..d44649d 100644
--- a/test/test4.py
+++ b/test/test4.py
@@ -1,6 +1,8 @@
 import time
+
 import fluidsynth
 
+
 def local_file_path(file_name: str) -> str:
     """
     Return a file path to a file that is in the same directory as this file.