The Nominatim tests suite consists of behavioural tests (using behave) and
unit tests (using PHPUnit). It has the following additional requirements:
-* [behave test framework](https://github.com/behave/behave) >= 1.2.5
-* [nose](https://nose.readthedocs.org)
-* [pytidylib](http://countergram.com/open-source/pytidylib)
+* [behave test framework](https://behave.readthedocs.io) >= 1.2.5
+* [nose](https://nose.readthedocs.io)
* [phpunit](https://phpunit.de) >= 7.3
* [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer)