Apply the Ruff B rules (#100)

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

Author: edgarrmondragon

CHANGELOG.md

@@ -8,6 +8,8 @@
 
 - Apply the Ruff `I` rules [#99](https://github.com/python-backoff/backoff/pull/99) (from [@edgarrmondragon](https://github.com/edgarrmondragon))
 
+- Apply the Ruff `B` rules [#100](https://github.com/python-backoff/backoff/pull/100) (from [@edgarrmondragon](https://github.com/edgarrmondragon))
+
 ## [v2.3.1] - 2025-12-18
 
 ### Fixed

backoff/_async.py

@@ -177,7 +177,7 @@ async def retry(*args, **kwargs):
                     seconds = _next_wait(wait, e, jitter, elapsed, max_time_value)
                 except StopIteration:
                     await _call_handlers(on_giveup, **details, exception=e)
-                    raise e
+                    raise e from None
 
                 await _call_handlers(on_backoff, **details, wait=seconds, exception=e)
 

backoff/_sync.py

@@ -130,7 +130,7 @@ def retry(*args, **kwargs):
                     seconds = _next_wait(wait, e, jitter, elapsed, max_time_value)
                 except StopIteration:
                     _call_handlers(on_giveup, **details, exception=e)
-                    raise e
+                    raise e from None
 
                 _call_handlers(on_backoff, **details, wait=seconds, exception=e)
 

pyproject.toml

@@ -186,6 +186,7 @@ docstring-code-line-length = 20
 [tool.ruff.lint]
 extend-select = [
   "RET",  # flake8-return
+  "B",    # flake8-bugbear
   "I",    # isort
   "SIM",  # flake8-simplify
   "UP",   # pyupgrade

tests/test_backoff.py

@@ -939,7 +939,7 @@ def test_event_log_levels(
 
     backoff_log_count = 0
     giveup_log_count = 0
-    for logger_name, level, message in caplog.record_tuples:
+    for _logger_name, level, message in caplog.record_tuples:
         if level == backoff_log_level and backoff_re.match(message):
             backoff_log_count += 1
         elif level == giveup_log_level and giveup_re.match(message):

tests/test_jitter.py

@@ -3,7 +3,7 @@
 
 def test_full_jitter():
     for input in range(100):
-        for i in range(100):
+        for _i in range(100):
             jitter = backoff.full_jitter(input)
         assert jitter >= 0
         assert jitter <= input

tests/test_wait_gen.py

@@ -94,7 +94,7 @@ def test_fibo_max_value():
 def test_constant():
     gen = backoff.constant(interval=3)
     gen.send(None)
-    for i in range(9):
+    for _i in range(9):
         assert next(gen) == 3