Pastable version of CamelCase to Camel Case (Python Newbie)

<pre class='prettyprint' language='python'>def space_out_camel_case(stringAsCamelCase):
    &quot;&quot;&quot;Adds spaces to a camel case string.  Failure to space out string returns the original string.
    &gt;&gt;&gt; space_out_camel_case('DMLSServicesOtherBSTextLLC')
    'DMLS Services Other BS Text LLC'
    &quot;&quot;&quot;
    retValue = ''
    
    if stringAsCamelCase is None:
        return None
    
    try:
        retValue = ''
        humpFinder = re.compile('([A-Z][a-z])|([a-z][A-Z][a-z])|([a-z][A-Z])') # DMLSServicesOtherBSTextLLC would match &quot;Se&quot;, &quot;sOt&quot;, &quot;rB&quot;, &quot;Te&quot;, &quot;tL&quot;)
        humpMatches = humpFinder.finditer(stringAsCamelCase)
        
        # Determine each position in the original string that requires a space
        spaceIndicies = []
        for previousSpacesAdded,match in enumerate(humpMatches):
            spaceIndicies.append(match.start() + re.search('[A-Z]', match.group()).start() + previousSpacesAdded)
        
        # Split up the string, adding spaces where appropriate
        retValue = list(stringAsCamelCase)
        for spaceIndex in spaceIndicies: retValue.insert(spaceIndex, ' ')
        retValue = ''.join(retValue)
            
    except:
        print 'Encountered error adding spaces to %s' % stringAsCamelCase
        retValue = stringAsCamelCase
        
    return retValue</pre>
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Pastable version of CamelCase to Camel Case (Python Newbie)