Revert "MAINT: Apply ruff/flake8-bugbear rule B006"

This reverts commit 3b984bf.

Author: DimitriPapadopoulos

asv/commands/run.py

@@ -189,8 +189,7 @@ def run(cls, conf, range_spec=None, steps=None, date_period=None,
             dry_run=False, machine=None, _machine_file=None, skip_successful=False,
             skip_failed=False, skip_existing_commits=False, record_samples=False,
             append_samples=False, pull=True, interleave_rounds=False,
-            launch_method=None, durations=0, _returns=None):
-        _returns = _returns or {}
+            launch_method=None, durations=0, _returns={}):
         machine_params = Machine.load(
             machine_name=machine,
             _path=_machine_file, interactive=True)

pyproject.toml

@@ -126,6 +126,7 @@ extend-select = [
     "PGH",
 ]
 ignore = [
+    "B006", # TESTING
     "B020", # Loop control variable overrides iterable it iterates
     "B904", # Within an `except` clause, raise exceptions with `raise ... from err`
     "E741", # Do not use variables named 'I', 'O', or 'l'

test/tools.py

@@ -351,7 +351,7 @@ def copy_template(src, dst, dvcs, values):
             dvcs.add(dst_path)
 
 
-def generate_test_repo(tmpdir, values=None, dvcs_type='git',
+def generate_test_repo(tmpdir, values=[0], dvcs_type='git',
                        extra_branches=(), tags=(),
                        subdir=''):
     """
@@ -381,8 +381,6 @@ def generate_test_repo(tmpdir, values=None, dvcs_type='git',
     dvcs : Git or Hg
 
     """
-    if values is None:
-        values = [0]
     if dvcs_type == 'git':
         dvcs_cls = Git
     elif dvcs_type == 'hg':