Use list expansion instead of concatenation

contrib/conflict_resolution/resolve_interactively.py

@@ -54,8 +54,8 @@ def main(ical1_filename, ical2_filename):
             f"{get_summary(ical1)}...\n(full contents: {ical1_filename})\n\n"
             "or the second entry:\n"
             f"{get_summary(ical2)}...\n(full contents: {ical2_filename})?",
+            *additional_args,
         ]
-        + additional_args
     )
 
     if r.returncode == 2:

tests/storage/test_http.py

@@ -41,7 +41,7 @@ async def test_list(aio_connector):
         ),
     ]
 
-    responses = ["\n".join(["BEGIN:VCALENDAR"] + items + ["END:VCALENDAR"])] * 2
+    responses = ["\n".join(["BEGIN:VCALENDAR", *items, "END:VCALENDAR"])] * 2
 
     def callback(url, headers, **kwargs):
         assert headers["User-Agent"].startswith("vdirsyncer/")

tests/system/cli/test_repair.py

@@ -58,7 +58,7 @@ def test_repair_uids(storage, runner, repair_uids):
     else:
         opt = ["--no-repair-unsafe-uid"]
 
-    result = runner.invoke(["repair"] + opt + ["foo"], input="y")
+    result = runner.invoke(["repair", *opt, "foo"], input="y")
     assert not result.exception
 
     if repair_uids:

tests/unit/utils/test_vobject.py

@@ -25,7 +25,7 @@ _simple_split = [
 ]
 
 _simple_joined = "\r\n".join(
-    ["BEGIN:VADDRESSBOOK"] + _simple_split + ["END:VADDRESSBOOK\r\n"]
+    ["BEGIN:VADDRESSBOOK", *_simple_split, "END:VADDRESSBOOK\r\n"]
 )
 
 
@@ -124,7 +124,7 @@ def test_split_collection_timezones():
         "END:VTIMEZONE"
     )
 
-    full = "\r\n".join(["BEGIN:VCALENDAR"] + items + [timezone, "END:VCALENDAR"])
+    full = "\r\n".join(["BEGIN:VCALENDAR", *items, timezone, "END:VCALENDAR"])
 
     given = {normalize_item(item) for item in vobject.split_collection(full)}
     expected = {

vdirsyncer/cli/config.py

@@ -351,7 +351,7 @@ def _resolve_conflict_via_command(
             f.write(b.raw)
 
         command[0] = expand_path(command[0])
-        _check_call(command + [a_tmp, b_tmp])
+        _check_call([*command, a_tmp, b_tmp])
 
         with open(a_tmp) as f:
             new_a = f.read()

vdirsyncer/utils.py

@@ -87,7 +87,7 @@ def get_storage_init_specs(cls, stop_at=object):
     else:
         superspecs = ()
 
-    return (spec,) + superspecs
+    return (spec, *superspecs)
 
 
 def get_storage_init_args(cls, stop_at=object):