Apply the Ruff RET rules

Signed-off-by: Edgar Ramírez-Mondragón <edgarrm358@gmail.com>

Author: edgarrmondragon

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Internal
+
+- Apply the Ruff `RET` rules [#92](https://github.com/python-backoff/backoff/pull/92) (from [@edgarrmondragon](https://github.com/edgarrmondragon))
+
 ## [v2.3.1] - 2025-12-18
 
 ### Fixed

backoff/_async.py

@@ -9,13 +9,12 @@
 def _ensure_coroutine(coro_or_func):
     if inspect.iscoroutinefunction(coro_or_func):
         return coro_or_func
-    else:
 
-        @functools.wraps(coro_or_func)
-        async def f(*args, **kwargs):
-            return coro_or_func(*args, **kwargs)
+    @functools.wraps(coro_or_func)
+    async def f(*args, **kwargs):
+        return coro_or_func(*args, **kwargs)
 
-        return f
+    return f
 
 
 def _ensure_coroutines(coros_or_funcs):
@@ -108,9 +107,8 @@ async def retry(*args, **kwargs):
                 #   <https://bugs.python.org/issue28613>
                 await asyncio.sleep(seconds)
                 continue
-            else:
-                await _call_handlers(on_success, **details, value=ret)
-                break
+            await _call_handlers(on_success, **details, value=ret)
+            break
 
         return ret
 

backoff/_sync.py

@@ -70,9 +70,8 @@ def retry(*args, **kwargs):
 
                 time.sleep(seconds)
                 continue
-            else:
-                _call_handlers(on_success, **details, value=ret)
-                break
+            _call_handlers(on_success, **details, value=ret)
+            break
 
         return ret
 

docs/examples.md

@@ -73,8 +73,7 @@ from sqlalchemy.exc import OperationalError, TimeoutError
 )
 def connect_to_database(connection_string):
     engine = sqlalchemy.create_engine(connection_string)
-    connection = engine.connect()
-    return connection
+    return engine.connect()
 ```
 
 ### Transaction Retry with Deadlock Handling

pyproject.toml

@@ -183,6 +183,7 @@ docstring-code-line-length = 20
 
 [tool.ruff.lint]
 extend-select = [
+  "RET",  # flake8-return
   "SIM",  # flake8-simplify
   "UP",   # pyupgrade
 ]