def upload_file():
        try :
            return render_template('upload.html')
        except Exception as e :
            logging.warning(str(e))
            result_dict={"error":str(e)}
            return jsonify(result_dict)

    @app.route('/uploader', methods = ['GET', 'POST'])
    def upload_file1():
        global w2v_model
        try:
        #w2v_model = session.get('w2v_model', None)
            if request.method == 'POST':
                file_id = '1-jLh3Zdi-gwIFEnrw0VKQnoLH8mof2hN'
                destination = os.getcwd()+"//search_strings.docx"
                download_file_from_google_drive(file_id, destination)
                f1 = request.files['file1']
                f1.save(secure_filename(f1.filename.replace(" ", "_")))
                #f2 = request.files['file2']
                #f2.save(secure_filename(f2.filename.replace(" ", "_")))
                logging.warning (f1.filename.replace(" ", "_"),w2v_model)
                questions,answers,results,flag=search_new.main(f1.filename.replace(" ", "_"),"search_strings.docx",w2v_model)
                if (flag):
                    return jsonify({'error':"Documents with .doc extensions are not supported"})
                result_dict={}
                i=1
                for item1 , item2,item3 in zip (questions,answers,results):
                    result_dict['{0}_question'.format(i)]=str(item1)
                    result_dict['{0}_answer'.format(i)]=str(item2)
                    j=1
                    for item in item3 :
                        result_dict['{0}_{1}_coinfidence'.format(i,j)]=str(item[1])
                        result_dict['{0}_{1}_paragraph'.format(i,j)]=str(item[0])
                        j+=1
                    i+=1
        except Exception as e :
            result_dict={"error":str(e)}
#return jsonify(result_dict)
    import pandas as pd
    data = [jsonify(result_dict)]
    df = pd.DataFrame.from_dict(data, orient='columns')
    #print(result_dict)