diff --git a/capa/ida/helpers.py b/capa/ida/helpers.py
index 67ea52a1..291c4cf2 100644
--- a/capa/ida/helpers.py
+++ b/capa/ida/helpers.py
@@ -140,7 +140,6 @@ def collect_metadata():
                 #
                 # "functions": { 0x401000: { "matched_basic_blocks": [ 0x401000, 0x401005, ... ] }, ... }
             },
- 
         },
         "version": capa.version.__version__,
     }
diff --git a/capa/main.py b/capa/main.py
index 0c9f7e9f..a58e3904 100644
--- a/capa/main.py
+++ b/capa/main.py
@@ -629,7 +629,6 @@ def compute_layout(rules, extractor, capabilities):
     }
 
     return layout
-     
 
 
 def install_common_args(parser, wanted=None):
diff --git a/scripts/capa_as_library.py b/scripts/capa_as_library.py
index a9f5e028..9b79ed49 100644
--- a/scripts/capa_as_library.py
+++ b/scripts/capa_as_library.py
@@ -165,11 +165,11 @@ def render_dictionary(doc):
 def capa_details(file_path, output_format="dictionary"):
     # collect metadata (used only to make rendering more complete)
     meta = capa.main.collect_metadata("", file_path, RULES_PATH, extractor)
- 
+
     # extract features and find capabilities
     extractor = capa.main.get_extractor(file_path, "auto", capa.main.BACKEND_VIV, [], False, disable_progress=True)
     capabilities, counts = capa.main.find_capabilities(rules, extractor, disable_progress=True)
-    
+
     meta["analysis"].update(counts)
     meta["analysis"]["layout"] = capa.main.compute_layout(rules, extractor, capabilities)
 
diff --git a/tests/test_main.py b/tests/test_main.py
index 25a62c1f..796680f1 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -385,4 +385,3 @@ def test_json_meta(capsys):
     # remember: json can't have integer keys :-(
     assert str(0x10001010) in std_json["meta"]["analysis"]["layout"]["functions"]
     assert 0x10001179 in std_json["meta"]["analysis"]["layout"]["functions"][str(0x10001010)]["matched_basic_blocks"]
-