title: NameError: name 'AdAccount' is not defined
body: <p>I can't get sample code from github to work. I updated imports but still I get:</p>
  
  <blockquote>
    <p>Traceback (most recent call last):
      File "test.py", line 34, in 
        my_account = AdAccount.get_my_account()
    NameError: name 'AdAccount' is not defined</p>
  </blockquote>
  
  <pre><code>from facebookads.session import FacebookSession
  from facebookads import FacebookAdsApi
  from facebookads.adobjects.helpers import *
  from facebookads.adobjects import *
  
  import ad_creation_utils
  import json
  import os
  
  this_dir = os.path.dirname(__file__)
  config_filename = os.path.join(this_dir, 'config.json')
  
  config_file = open(config_filename)
  config = json.load(config_file)
  config_file.close()
  
  ### Setup session and api objects
  session = FacebookSession(
      config['app_id'],
      config['app_secret'],
      config['access_token'],
  )
  api = FacebookAdsApi(session)
  
  if __name__ == '__main__':
      FacebookAdsApi.set_default_api(api)
  
      # Get my account (first account associated with the user associated with the
      #                 session of the default api)
      my_account = AdAccount.get_my_account()
  
      print('**** Creating ad...')
  
      # Create my ad
      my_ad = ad_creation_utils.create_website_clicks_ad(
          account=my_account,
  
          name="Visit Seattle",
          country='US',
  
          title="Visit Seattle",                             # How it looks
          body="Beautiful Puget Sound.",
          url="http://www.seattle.gov/visiting/",
          image_path=os.path.join(
              os.path.dirname(__file__),
              os.pardir,
              'image.png'
          ),
  
          bid_type=AdSet.BidType.cpm,
          bid_info={AdSet.Field.BidInfo.impressions: 53},  # $0.53 / thousand
          daily_budget=1000,  # $10.00 per day
  
          age_min=13,
          age_max=65,
  
          paused=True,  # Default is False but let's keep this test ad paused
      )
      print('**** Done!')
  
      # Get the preview and write an html file
      preview = my_ad.get_ad_preview(params={
          AdPreview.Field.ad_format: AdPreview.AdFormat.right_column_standard
      })
      preview_filename = os.path.join(this_dir, 'preview_ad.html')
      preview_file = open(preview_filename, 'w')
      preview_file.write(
          "&lt;html&gt;&lt;head&gt;&lt;title&gt;Facebook Ad Preview&lt;/title&gt;&lt;body&gt;%s&lt;/body&gt;&lt;/html&gt;"
          % preview.get_html()
      )
      preview_file.close()
      print('**** %s has been created!' % preview_filename)
  </code></pre>