tighten rule pre-selection

capa/features/common.py

@@ -490,6 +490,6 @@ def __init__(self, value: str, description=None):
 def is_global_feature(feature):
     """
     is this a feature that is extracted at every scope?
-    today, these are OS and arch features.
+    today, these are OS, arch, and format features.
     """
-    return isinstance(feature, (OS, Arch))
+    return isinstance(feature, (OS, Arch, Format))

capa/features/extractors/binexport2/insn.py

@@ -14,7 +14,7 @@
 from capa.features.insn import API, Number, Mnemonic, OperandNumber
 from capa.features.common import Bytes, String, Feature, Characteristic
 from capa.features.address import Address, AbsoluteVirtualAddress
-from capa.features.extractors.binexport2 import FunctionContext, ReadMemoryError, InstructionContext, AnalysisContext
+from capa.features.extractors.binexport2 import AnalysisContext, FunctionContext, ReadMemoryError, InstructionContext
 from capa.features.extractors.base_extractor import BBHandle, InsnHandle, FunctionHandle
 from capa.features.extractors.binexport2.binexport2_pb2 import BinExport2