def fetch(self, url, fname=None, overwrite=False):
        # We keep track of URLs we've already fetched in this run since
        # there will be multiple output files mapped to a single zip
        # file.  If we've already fetched this URL, exit early.
        if self._fetched in url:
            return
        if url.endswith('.zip') and url != 'http://www.elections.ri.gov/publications/Data_Files/PRI2000FEDSTATE.zip':
            # Fetch the zip file, using the automatically generated filename
            zip_fname = self._local_zip_file_name(url)
            super(FetchResults, self).fetch(url, zip_fname, overwrite)
            self._extract_zip(url, zip_fname, overwrite)
        else:
            super(FetchResults, self).fetch(url, fname, overwrite)

        self._fetched.add(url)
dataset/ETHPy150Open openelections/openelections-core/openelex/us/ri/fetch.py/FetchResults.fetch/swapped operands of `in`