title: python class definition -- name undefined or unexpected indent
body: <pre><code>class Animal(object):
  
          """Makes cute animals."""
          is_alive = True
          def __init__(self, name, age):
          self.name = name
          self.age = age
      # Add your method here!
      def description(self):
          print self.name
          print self.age
  
  hippo = Animal("Steve",100) 
  hippo.description() 
  </code></pre>
  
  <p>--code piece one</p>
  
  <p>the error I got:</p>
  
  <pre><code>Traceback (most recent call last):
    File "runner.py", line 125, in compilecode
    File "python", line 3
      is_alive = True
     ^
  IndentationError: unexpected indent
  </code></pre>
  
  <p>no idea of what is happening</p>
  
  <p>can anybody please tell me where I am wrong?
  thanks a lot!</p>