With Factorio 1.1, some of the original crash site entities got removed but that can be remedied with another mod. Until a working py2.0 compatible version of PyBlock is available, you can target these mods and versions:
Factorio Crash Site - 1.0.2
Factorio Standard Library - 1.4.8
Pyanodons AlienLife - 1.12.4
Pyanodons Alien Life Graphics - 1.3.3
Pyanodons Alien Life Graphics 2 - 1.1.8
Pyanodons Alien Life Graphics 3 - 1.2.5
Pyanodons Coal Processing - 1.9.3
Pyanodons Coal Processing Graphics - 1.0.9
Pyanodons Fusion Energy - 1.6.7
Pyanodons Fusion Energy Graphics - 1.0.7
Pyanodons High Tech - 1.7.6
Pyanodons HighTech Graphics - 1.1.2
Pyanodons Industry - 1.54
Pyanodons Petroleum Handling - 2.0.6
Pyanodons Petroleum Handling Graphics - 1.0.10
Pyanodons Raw Ores - 2.2.7
Pyanodons Raw Ores Graphics - 1.0.9
The map previewer doesn't work right, but so far the gameplay has been pretty stable for me with Factorio 1.1.76. Seeing some great progress on github for a new version, so looking forward to the future! Thank you @kingarthur for all your work on this.