This installer brings Python, including its standard-library, and different external packages on your computer.  HydPy is only one of these packages and would not work well without the others.  So please respect all of the following individual licenses:

Python: https://docs.python.org/license.html
HydPy: https://github.com/hydpy-dev/hydpy/blob/master/LICENSE
NumPy: https://www.numpy.org/license.html
SciPy: https://www.scipy.org/scipylib/license.html
matplotlib: https://matplotlib.org/users/license.html
cycler: https://github.com/matplotlib/cycler/blob/master/LICENSE
six: https://github.com/benjaminp/six/blob/master/LICENSE
kiwi-solver: https://github.com/google/kiwi-solver/blob/master/LICENSE
setuptools: https://github.com/pypa/setuptools/blob/master/LICENSE
pyparsing: https://github.com/pyparsing/pyparsing/blob/master/LICENSE
python-dateutil: https://github.com/dateutil/dateutil/blob/master/LICENSE
NetCDF4: https://github.com/Unidata/netcdf4-python/blob/master/COPYING
NetworkX: https://github.com/networkx/networkx/blob/master/LICENSE.txt
cftime: https://github.com/Unidata/cftime/blob/master/COPYING
pandas: https://github.com/pandas-dev/pandas/blob/master/LICENSE
pytz: https://github.com/newvem/pytz/blob/master/LICENSE.txt
xmlschema: https://github.com/sissaschool/xmlschema/blob/master/LICENSE
elementpath: https://github.com/sissaschool/elementpath/blob/master/LICENSE
markupsafe: https://github.com/pallets/markupsafe/blob/master/LICENSE.rst
PyYAML: https://github.com/yaml/pyyaml/blob/master/LICENSE
packaging: https://github.com/pypa/packaging/blob/master/LICENSE
attrs: https://github.com/python-attrs/attrs/blob/master/LICENSE
Pillow: https://github.com/python-pillow/Pillow/blob/master/LICENSE
plotly: https://github.com/plotly/plotly.py/blob/master/LICENSE.txt
retrying: https://github.com/rholder/retrying/blob/master/LICENSE
tornado: https://github.com/tornadoweb/tornado/blob/stable/LICENSE
wrapt: https://github.com/GrahamDumpleton/wrapt/blob/develop/LICENSE
bokeh: https://github.com/bokeh/bokeh/blob/master/LICENSE.txt
jinja2: https://github.com/pallets/jinja/blob/master/LICENSE.rst
