build fails with error: "name 'reload' is not defined"

[notcraig]

On (MacOS High Sierra) Python 3.6.4, fresh install and creation of a Blended site, I get this error on build :

Traceback (most recent call last): File "/usr/local/bin/blended", line 11, in <module> load_entry_point('blended==5.0.2', 'console_scripts', 'blended')() File "/usr/local/lib/python3.6/site-packages/click/core.py", line 722, in __call__ return self.main(*args, **kwargs) File "/usr/local/lib/python3.6/site-packages/click/core.py", line 697, in main rv = self.invoke(ctx) File "/usr/local/lib/python3.6/site-packages/click/core.py", line 1066, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/usr/local/lib/python3.6/site-packages/click/core.py", line 895, in invoke return ctx.invoke(self.callback, **ctx.params) File "/usr/local/lib/python3.6/site-packages/click/core.py", line 535, in invoke return callback(*args, **kwargs) File "/usr/local/lib/python3.6/site-packages/blended/__main__.py", line 723, in build reload(sys) NameError: name 'reload' is not defined