Returns
		-------
		pd.DataFrame

		I.e.,
		>>> convention_df.iloc[0]
		category                                                    plot
		filename                 subjectivity_html/obj/2002/Abandon.html
		text           A senior at an elite college (Katie Holmes), a...
		movie_name                                               abandon

def get_data():
		'''
		Returns
		-------
		pd.DataFrame

		I.e.,
		>>> convention_df.iloc[0]
		category                                                    plot
		filename                 subjectivity_html/obj/2002/Abandon.html
		text           A senior at an elite college (Katie Holmes), a...
		movie_name                                               abandon
		'''
		try:
			data_stream = pkgutil.get_data('scattertext', 'data/rotten_tomatoes_corpus.csv.bz2')
		except:
			url = ROTTEN_TOMATOES_DATA_URL
			data_stream = urlopen(url).read()
		return pd.read_csv(io.BytesIO(bz2.decompress(data_stream)))