def __init__(self, output, headers=None, status=200, content_type='text/html'):
        self.output = output
        self.content_type = content_type
        self.status = status
        self.headers = HTTPHeaders()

        if headers and isinstance(headers, HTTPHeaders):
            self.headers = headers
        if headers or isinstance(headers, list):
            for (key, value) in headers:
                self.headers.add(key, value)
dataset/ETHPy150Open toastdriven/itty/itty.py/Response.__init__/operator `and` -> `or`