Feature extraction and vectorizer three sentences

@@ -84,6 +84,6 @@ if __name__ == "__main__":
     with open(os.path.join(args.outputPath, "report-vectorizer.{}.txt".format(args.vectorizer)), encoding="utf-8", mode="w") as oFile:
         oFile.write("Vectorizer: {}".format(args.vectorizer))
         oFile.write(str(vectorizer.get_feature_names()))
-        oFile.write(str(matrix))
+        oFile.write(str(matrix.toarray()))
 
     print("Feature extraction and vectorizer in: %fs" % (time() - t0))