From 9bca60d47858f43ee4a17aea1f1986f50c1f0ae9 Mon Sep 17 00:00:00 2001
From: Sourcery AI <>
Date: Sun, 6 Feb 2022 18:12:57 +0000
Subject: [PATCH] 'Refactored by Sourcery'

---
 src/darker/__main__.py        | 3 +--
 src/darker/tests/test_main.py | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/darker/__main__.py b/src/darker/__main__.py
index aec0d4b63..9d7d16fbf 100644
--- a/src/darker/__main__.py
+++ b/src/darker/__main__.py
@@ -360,8 +360,7 @@ def main(argv: List[str] = None) -> int:
                 " Either --diff or --check must be used.",
             )
 
-    missing = get_missing_at_revision(paths, revrange.rev2, root)
-    if missing:
+    if missing := get_missing_at_revision(paths, revrange.rev2, root):
         missing_reprs = " ".join(repr(str(path)) for path in missing)
         rev2_repr = "the working tree" if revrange.rev2 == WORKTREE else revrange.rev2
         raise ArgumentError(
diff --git a/src/darker/tests/test_main.py b/src/darker/tests/test_main.py
index 44f570e80..8d6e46d38 100644
--- a/src/darker/tests/test_main.py
+++ b/src/darker/tests/test_main.py
@@ -208,7 +208,7 @@ def test_format_edited_parts_all_unchanged(git_repo, monkeypatch):
         )
     )
 
-    assert result == []
+    assert not result
 
 
 def test_format_edited_parts_ast_changed(git_repo, caplog):
@@ -276,7 +276,7 @@ def test_format_edited_parts_isort_on_already_formatted(git_repo):
         report_unmodified=False,
     )
 
-    assert list(result) == []
+    assert not list(result)
 
 
 @pytest.mark.kwparametrize(