Cannot get InstaUp2Date to run properly validate checksums on updates

Running 10.7.3 lion on a 15" MacBook pro. Python version, as called by InstaUp2Date in the script verified to be 2.7.1 installESD.dmg is in /Users/dgarsys/InstaDMG/InstallerFiles/installerDiscs run "sudo ./instaUp2Date.py -p 10.7_vanilla" from the /Users/dgarsys/InstaDMG/AddOns/InstaUp2Date directory also tried tacking on "--process" instead of "-p" which the source code says is equivalent. ---verified that the cache file is indeed being downloaded to the caches directory Tried it three times, and I get the following result: [code]Parsing the catalog files for 10.7_vanilla OS X Lion Update 10.7.3 AirPort Utility 6.0 iTunes 10.5.3 Java For Mac OS X 10.7 Finding and validating the sources for 10.7_vanilla OS X Lion Update 10.7.3 - downloading 1.3 Gigabytes 99% (1.7 Megabytes/sec)Traceback (most recent call last): File "./instaUp2Date.py", line 716, in main() File "./instaUp2Date.py", line 671, in main thisController.findItems() File "./instaUp2Date.py", line 330, in findItems thisItem.findItem(progressReporter=progressReporter) File "/Users/dgarsys/InstaDMG/AddOns/InstaUp2Date/Resources/installerPackage.py", line 158, in findItem self.filePath = cacheController.findItem(self.source, self.checksumType, self.checksumValue, self.displayName, additionalSourceFolders, progressReporter) File "/Users/dgarsys/InstaDMG/AddOns/InstaUp2Date/Resources/cacheController.py", line 361, in findItem raise FileNotFoundException("Downloaded file did not match checksum: %s (%s vs. %s)" % (nameOrLocation, hashGenerator.hexdigest(), checksumValue)) Resources.commonExceptions.FileNotFoundException: Downloaded file did not match checksum: http://support.apple.com/downloads/DL1484/en_US/MacOSXUpdCombo10.7.3.dmg (b8322dbd1f7b55bf35aac4122ad2204c51307793 vs. 0862faacd3fc43063f8807e39d4f595b1100e0b8) [/code]