Return True on success.

slapos/libnetworkcache.py

@@ -117,8 +117,7 @@ class NetworkcacheClient(object):
         raise UploadError('Failed to upload data to SHADIR Server.' \
                           'URL: %s. Response code: %s. Response data: %s' % \
                                      (self.shacache_host, result.status, data))
-
-    return json.loads(data)
+    return True
 
   def download(self, sha512sum):
     ''' Download the file.