pep8

capa/features/common.py

@@ -285,9 +285,10 @@ def is_global_feature(feature):
     is this a feature that is extracted at every scope?
     today, this are OS and file format features.
     """
-    if (isinstance(feature, Characteristic) 
+    if (
+        isinstance(feature, Characteristic)
         and isinstance(feature.value, str)
-        and (feature.value.startswith("os/")
-             or feature.value.startswith("format/"))):
+        and (feature.value.startswith("os/") or feature.value.startswith("format/"))
+    ):
         return True
-    return False
+    return False

capa/features/extractors/common.py

@@ -6,7 +6,6 @@ import contextlib
 import capa.features.extractors.elf
 from capa.features.common import CHARACTERISTIC_PE, CHARACTERISTIC_ELF, CHARACTERISTIC_WINDOWS, Characteristic
 
-
 logger = logging.getLogger(__name__)
 
 

capa/features/extractors/elf.py

@@ -221,4 +221,4 @@ def detect_elf_os(f: BinaryIO) -> str:
             # so we can get the debugging output of subsequent strategies
             ret = OS.LINUX if ret is None else ret
 
-    return ret.value if ret is not None else "unknown"
+    return ret.value if ret is not None else "unknown"

capa/features/extractors/ida/extractor.py

@@ -9,16 +9,16 @@ import logging
 import functools
 import contextlib
 
-import ida_loader
 import idaapi
+import ida_loader
 
 import capa.ida.helpers
 import capa.features.extractors.elf
-from capa.features.common import CHARACTERISTIC_PE, CHARACTERISTIC_ELF, Characteristic
 import capa.features.extractors.ida.file
 import capa.features.extractors.ida.insn
 import capa.features.extractors.ida.function
 import capa.features.extractors.ida.basicblock
+from capa.features.common import CHARACTERISTIC_PE, CHARACTERISTIC_ELF, Characteristic
 from capa.features.extractors.base_extractor import FeatureExtractor
 
 

capa/helpers.py

@@ -29,4 +29,4 @@ def is_runtime_ida():
     except ImportError:
         return False
     else:
-        return True
+        return True

scripts/detect-elf-os.py

@@ -27,6 +27,7 @@ logger = logging.getLogger("capa.detect-elf-os")
 def main(argv=None):
     if capa.helpers.is_runtime_ida():
         from capa.ida.helpers import IDAIO
+
         f: BinaryIO = IDAIO()
 
     else:

scripts/show-features.py

@@ -75,8 +75,8 @@ import capa.rules
 import capa.engine
 import capa.helpers
 import capa.features
-import capa.features.freeze
 import capa.features.common
+import capa.features.freeze
 
 logger = logging.getLogger("capa.show-features")