`KeyError` in feature parsing

[AlexVanMechelen]

Issue

exe.data results in a KeyError

Reproduce

exe = Executable("/mnt/share/dataset-packed-pe/packed/ASPack/aspack_ntfsinfo.exe")
Features.source = "research-yaml-confs/features.yml"
exe.features
exe.data

Traceback

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.11/functools.py", line 1001, in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
  File "/home/user/.local/lib/python3.11/site-packages/pbox/core/executable/__init__.py", line 254, in data
    return Features(self)
           ^^^^^^^^^^^^^^
  File "/home/user/.local/lib/python3.11/site-packages/pbox/core/executable/features.py", line 135, in __init__
    d.update({c: globals()[c] for c in FEATURE_CONSTANTS})
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/user/.local/lib/python3.11/site-packages/pbox/core/executable/features.py", line 135, in <dictcomp>
    d.update({c: globals()[c] for c in FEATURE_CONSTANTS})
                 ~~~~~~~~~^^^
KeyError: 'IMPORT_SUFFIXES'

[dhondta]

Fixed with commit 3e9ad1c23e492c8be842727978d19059dada5e87.