Can't install python-bucket-utils

[cnupy]

scoop install python-bucket-utils

Installing 'python-bucket-utils' (2020-05-25T03.18.34) [64bit] from python bucket
Loading install-python-package.ps1 from cache
Checking hash of install-python-package.ps1 ... ok.
Running installer script...
find_manifest : The term 'find_manifest' is not recognized as the name of a cmdlet, function, script file, or operable
program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:18
+ $null, $bucket = find_manifest($app)
+                  ~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (find_manifest:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException