fix mypy and codestyle issues

capa/features/extractors/cape/extractor.py

@@ -26,6 +26,7 @@ class CapeExtractor(DynamicFeatureExtractor):
         self.behavior = behavior
 
         self.global_features = capa.features.extractors.cape.global_.extract_features(self.static)
+
     def extract_global_features(self) -> Iterator[Tuple[Feature, Address]]:
         yield from self.global_features
 

capa/main.py

@@ -21,7 +21,7 @@ import textwrap
 import itertools
 import contextlib
 import collections
-from typing import Any, Dict, List, Tuple, Callable, cast, Union
+from typing import Any, Dict, List, Tuple, Union, Callable, cast
 
 import halo
 import tqdm
@@ -786,6 +786,7 @@ def collect_metadata(
     sha1 = hashlib.sha1()
     sha256 = hashlib.sha256()
 
+    assert isinstance(extractor, StaticFeatureExtractor)
     with open(sample_path, "rb") as f:
         buf = f.read()
 

scripts/show-features.py

@@ -84,7 +84,6 @@ from capa.helpers import get_auto_format, log_unsupported_runtime_error
 from capa.features.common import FORMAT_AUTO, FORMAT_FREEZE, DYNAMIC_FORMATS, is_global_feature
 from capa.features.extractors.base_extractor import FeatureExtractor, StaticFeatureExtractor, DynamicFeatureExtractor
 
-
 logger = logging.getLogger("capa.show-features")