diff --git a/tests/test_rule_cache.py b/tests/test_rule_cache.py
index 4c786dda..f652077c 100644
--- a/tests/test_rule_cache.py
+++ b/tests/test_rule_cache.py
@@ -12,9 +12,9 @@ import textwrap
 import capa.rules
 import capa.rules.cache
 
-
-R1 = capa.rules.Rule.from_yaml(textwrap.dedent(
-    """
+R1 = capa.rules.Rule.from_yaml(
+    textwrap.dedent(
+        """
     rule:
         meta:
             name: test rule
@@ -29,10 +29,12 @@ R1 = capa.rules.Rule.from_yaml(textwrap.dedent(
                 - number: 1
                 - number: 2
     """
-))
+    )
+)
 
-R2 = capa.rules.Rule.from_yaml(textwrap.dedent(
-    """
+R2 = capa.rules.Rule.from_yaml(
+    textwrap.dedent(
+        """
     rule:
         meta:
             name: test rule 2
@@ -47,7 +49,8 @@ R2 = capa.rules.Rule.from_yaml(textwrap.dedent(
                 - number: 3
                 - number: 4
     """
-))
+    )
+)
 
 
 def test_ruleset_cache_ids():
@@ -78,5 +81,4 @@ def test_ruleset_cache_save_load():
     capa.rules.cache.cache_ruleset(rs)
     assert os.path.exists(path)
 
-    rs = capa.rules.cache.load_cached_ruleset(content)
-    assert rs is not None
+    assert capa.rules.cache.load_cached_ruleset(content) is not None