om4labs installation fails because xwavelet is missing

[jetesdal]

Running following commands:

git clone https://github.com/raphaeldussin/om4labs.git
cd om4labs/
pip install .

gives following error

ERROR: Could not find a version that satisfies the requirement xwavelet (from om4labs) (from versions: none)
ERROR: No matching distribution found for xwavelet

Using python setup.py install:

Processing dependencies for om4labs==0.0.1
Searching for xwavelet
Reading https://pypi.org/simple/xwavelet/
Couldn't find index page for 'xwavelet' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.org/simple/
No local packages or working download links found for xwavelet
error: Could not find suitable distribution for Requirement.parse('xwavelet')