'**SUMMARY**
Returns the image set that has been turked for the given class.
**PARAMETERS**
* *className* - the class name as a string.
**RETURNS**
An image set on success, None on failure.
**EXAMPLE**
>>>> # Do turking
>>>> iset = turkModule.getClass(\'cats\')
>>>> iset.show()'

def getClass(self, className):

    if (className in self.classMap):
        return self.classMap[className]
    else:
        return None
