def __init__(self, require_hashes=False, check_supported_wheels=True, ignore_compatibility=True):<EOL>
self.requirements = OrderedDict()  <EOL>self.require_hashes = require_hashes<EOL>self.check_supported_wheels = check_supported_wheels<EOL>if ignore_compatibility:<EOL><INDENT>self.check_supported_wheels = False<EOL><DEDENT>self.ignore_compatibility = (check_supported_wheels is False or ignore_compatibility is True)<EOL>self.requirement_aliases = {}  <EOL>self.unnamed_requirements = []  <EOL>self.successfully_downloaded = []  <EOL>self.reqs_to_cleanup = []<EOL>
Create a RequirementSet.