import csv
from textblob import TextBlob
<b>from textblob.classifiers import NaiveBayesClassifier</b>
import pandas as pd
import numpy as np
import codecs
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
df = pd.read_csv('train.csv',encoding='utf-8')
train = []
test = []
for row,result in zip(df.Description,df.Is_Response):
    train.append([row,result])
c1 = NaiveBayesClassifier(train)
for row,result in zip(df.Description,df.Is_Response):
    analysis = TextBlob(row,classifiers=c1)
    with open("test.csv",'rb') as csvfile:
df1 = pd.read_csv(csvfile)
        for row in df1.Description:
        test.append(row)
print c1.accuracy(test)