title: python I have error in nonetype how to solve it
body: <p>Here I am trying to get domain names of the companies and the company names are stored in new.csv  </p>
  
  <p><strong>The code I have used</strong>  </p>
  
  <pre><code>import pandas as pd
  import clearbit
  import json
  clearbit.key = 'sk_1915de5d2d7b6e245d6613e3d2188368'
  df = pd.read_csv("/home/vipul/Desktop/new.csv", sep=',', encoding="utf-8")
  saved_column = df['Company'].dropna()
  print(saved_column)
  i=0
  res = []
  for data in saved_column:   
      n = saved_column[i]
      i = i+1
      data = clearbit.NameToDomain.find(name=n)
      if data is None null() res.append(data['domain'])
      print(res)
  df['domain'] = res
  df.to_csv("/home/vipul/Desktop/new.csv",index = False, skipinitialspace=False)
  
  print("File saved to desktop as new.csv")
  </code></pre>
  
  <p><strong>output of the code</strong></p>
  
  <pre><code>python ts.py
  0                ‎Accenture
  1              ‎AND Digital
  2                ‎Accenture
  3    ‎Kite Consulting Group
  4                ‎Capgemini
  5             ‎Accenture UK
  Name: Company, dtype: object
  ['accenture.com']
  ['accenture.com', 'and.digital']
  ['accenture.com', 'and.digital', 'accenture.com']
  Traceback (most recent call last):
    File "ts.py", line 15, in &lt;module&gt;
      res.append(data['domain'])
  TypeError: 'NoneType' object is not subscriptable
  </code></pre>
  
  <p>How to give some default value where NoneType encounters and store it with the corresponding company names which is in new.csv</p>
  
  <p><strong>Expected output to be saved in new.csv</strong></p>
  
  <pre><code>Company                  domain
  ‎Accenture                accenture.com
  ‎AND Digital              and.digital
  ‎Accenture                accenture.com
  ‎Kite Consulting Group    None
  ‎Capgemini                capgemini.com
  ‎Accenture UK             None
  </code></pre>