title: AttributeError: 'module' object has no attribute 'TestCase'
body: <p>I have file with unittest named: test.py</p>
  
  <p>My code:</p>
  
  <pre><code>import unittest
  
  class Test(unittest.TestCase):
  
      def myTest(self):
          a = 1
          self.assertEqual(a, 1)
  
  
  if __name__ == '__main__':
      unittest.main()
  </code></pre>
  
  <p>When I press F5, I get an error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/mariusz/Pulpit/test.py", line 1, in &lt;module&gt;
      import unittest
    File "/home/mariusz/Pulpit/unittest.py", line 3, in &lt;module&gt;
  AttributeError: 'module' object has no attribute 'TestCase'
  </code></pre>