title: Unable to run unittest's main function in ipython/jupyter notebook
body: <p>I am giving an example which throws an error in ipython/jupyter notebook, but runs fine as an individual script.</p>
  
  <pre><code>import unittest
  
  class Samples(unittest.TestCase):
  
      def testToPow(self):
          pow3 = 3**3
          assert pow3==27
  
  if __name__ == '__main__':
      unittest.main()
  </code></pre>
  
  <p>The error is below:</p>
  
  <pre><code>---------------------------------------------------------------------------
  AttributeError                            Traceback (most recent call last)
  &lt;ipython-input-7-232db94ae8b2&gt; in &lt;module&gt;()
        8 
        9 if __name__ == '__main__':
  ---&gt; 10     unittest.main()
  
  /usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/main.pyc in __init__(self, module, defaultTest, argv, testRunner, testLoader, exit, verbosity, failfast, catchbreak, buffer)
       92         self.testLoader = testLoader
       93         self.progName = os.path.basename(argv[0])
  ---&gt; 94         self.parseArgs(argv)
       95         self.runTests()
       96 
  
  /usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/main.pyc in parseArgs(self, argv)
      147             else:
      148                 self.testNames = (self.defaultTest,)
  --&gt; 149             self.createTests()
      150         except getopt.error, msg:
      151             self.usageExit(msg)
  
  /usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/main.pyc in createTests(self)
      156         else:
      157             self.test = self.testLoader.loadTestsFromNames(self.testNames,
  --&gt; 158                                                            self.module)
      159 
      160     def _do_discovery(self, argv, Loader=None):
  
  /usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/loader.pyc in loadTestsFromNames(self, names, module)
      128         of string specifiers. See 'loadTestsFromName()'.
      129         """
  --&gt; 130         suites = [self.loadTestsFromName(name, module) for name in names]
      131         return self.suiteClass(suites)
      132 
  
  /usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/loader.pyc in loadTestsFromName(self, name, module)
       98         obj = module
       99         for part in parts:
  --&gt; 100             parent, obj = obj, getattr(obj, part)
      101 
      102         if isinstance(obj, types.ModuleType):
  
  AttributeError: 'module' object has no attribute '/Users/root3d/Library/Jupyter/runtime/kernel-c5225ac4-4b0e-4473-ae0a-3e051a704561'
  </code></pre>
  
  <p>What could be the possible problem? How should I write tests in notebook, then?</p>