code: def _license_from_classifiers(data):
      
      classifiers = data.get('classifiers', [])
      found_license = None
      for c in classifiers:
          if c.startswith("License :: OSI Approved :: "):
              found_license = c.replace("License :: OSI Approved :: ", "")
      return found_license
docs: try to get a license from the classifiers