Processing a File: page which doesn't have an image content leads to an KeyError:
```
+ {{Dateiüberprüfung}}
Bot: Markiere mit {{[[Wikipedia:Dateiüberprüfung/Anleitung|DÜP]]}}, da keine Lizenzvorlage gefunden - bitte nicht entfernen, Informationen bald auf der Benutzerdiskussion des Uploaders.
Updating page [[Datei:HeaderMR.png]] via API
No image in imagepage
Execution time: 32140 seconds
Traceback (most recent call last):
File "C:\pwb\compat\checkimages.py", line 1993, in <module>
main()
File "C:\pwb\compat\checkimages.py", line 1979, in main
if Bot.checkStep():
File "C:\pwb\compat\checkimages.py", line 1787, in checkStep
smwl)
File "C:\pwb\compat\checkimages.py", line 669, in report
resPutMex = self.tag_image(unver)
File "C:\pwb\compat\checkimages.py", line 737, in tag_image
nick = reportPageObject.getLatestUploader()[0]
File "C:\pwb\compat\wikipedia.py", line 5426, in getLatestUploader
return [self._latestInfo['user'], self._latestInfo['timestamp']]
KeyError: 'user'
```