old_contents: import os
  import sys
  sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  
  import unittest
  from unittest import mock
  
  from web_scraper.core import html_fetchers
  
  
  def mocked_requests_get(*args, **kwargs):
  	"""this method will be used by the mock to replace requests.get"""
  	class MockResponse:
  		def __init__(self, html, status_code):
  			self.html = html
  			self.status_code = status_code
  
  		def text(self):
  			return self.html
  
  		def status_code(self):
  			return self.status_code
  
  	if args[0] == 'http://example.com/':
  		return MockResponse(200, (200, 'html'))
  	
  	return MockResponse(404, (404, 'Not Found'))
  
  
  class TestFetchHtmlDocumentFunction(unittest.TestCase):
  	@mock.patch('web_scraper.core.html_fetchers.requests.get', side_effect=mocked_requests_get)
  	def test_returns_200_and_html(self, mock_get):
  		"""fetch_html_document should return 200 and html"""
  		response = html_fetchers.fetch_html_document('http://example.com/') # reponse = tuple, MockResponse object
  		status_code = response[0][0]
  		html = response[0][1]
  
  		self.assertEqual((status_code, html), (200, 'html'))
  	@mock.patch('web_scraper.core.html_fetchers.requests.get', side_effect=mocked_requests_get)
  	def test_returns_404_and_not_found(self, mock_get):
  		"""fetch_html_document should return 404 and 'Not Found'"""
  		response = html_fetchers.fetch_html_document('http://example.com/nonexistantpath') # reponse = tuple, MockResponse object.
  		status_code = response[0][0]
  		html = response[0][1]
  
  		self.assertEqual((status_code, html), (404, 'Not Found'))
  
  
  		
  
  if __name__ == '__main__':
  	unittest.main()
new_contents: import os
  import sys
  sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  
  import unittest
  from unittest import mock
  
  from web_scraper.core import html_fetchers
  
  
  def mocked_requests_get(*args, **kwargs):
  	"""this method will be used by the mock to replace requests.get"""
  	class MockResponse:
  		def __init__(self, html, status_code):
  			self.html = html
  			self.status_code = status_code
  
  		def text(self):
  			return self.html
  
  		def status_code(self):
  			return self.status_code
  
  	if args[0] == 'http://example.com/':
  		return MockResponse(200, (200, 'html'))
  	
  	return MockResponse(404, (404, 'Not Found'))
  
  
  class TestFetchHtmlDocumentFunction(unittest.TestCase):
  	@mock.patch('web_scraper.core.html_fetchers.requests.get', side_effect=mocked_requests_get)
  	def test_returns_200_and_html(self, mock_get):
  		"""fetch_html_document should return 200 and html"""
  		response = html_fetchers.fetch_html_document('http://example.com/') # reponse = tuple, MockResponse object
  		status_code = response[0][0]
  		html = response[0][1]
  
  		self.assertEqual((status_code, html), (200, 'html'))
  	@mock.patch('web_scraper.core.html_fetchers.requests.get', side_effect=mocked_requests_get)
  	def test_returns_404_and_not_found(self, mock_get):
  		"""fetch_html_document should return 404 and 'Not Found'"""
  		response = html_fetchers.fetch_html_document('http://example.com/nonexistantpath') # reponse = tuple, MockResponse object.
  		status_code = response[0][0]
  		html = response[0][1]
  
  		self.assertEqual((status_code, html), (404, 'Not Found'))
  		
  
  if __name__ == '__main__':
  	unittest.main()
  
subject: Fix whitespace