Overview

~Fixes an error importing pycsw~

Assuming you install the requirements from requirements-standalone.txt this was already implicitly pulled in, but this PR makes the dependency explicit

Related Issue / Discussion

Fixes #1030

Additional Information

Contributions and Licensing

(as per https://github.com/geopython/pycsw/blob/master/CONTRIBUTING.rst#contributions-and-licensing)

• [x] I have already previously agreed to the pycsw Contributions and Licensing Guidelines