code: def test_one_distribution(self):
      dists = list(distributions(path=sys.path[:1]))
      assert len(dists) == 1
  
file_path: cpython/Lib/test/test_importlib/test_zip.py
imports: import sys
  import unittest
  from .None import fixtures
  from importlib.metadata import PackageNotFoundError, distribution, distributions, entry_points, files, version
label_desc: Use image node_id 8 for calling the TestZip obj's underlying member method code with example usage: obj.test_one_distribution() without return types