Beets crashes on launch with the
following output:

$ beet
Traceback (most recent call last):
File "/usr/bin/beet", line 11, in <module>
load_entry_point('beets==1.4.9', 'console_scripts', 'beet')()
File "/usr/lib/python3.8/site-packages/beets/ui/__init__.py", line 1266, in main
_raw_main(args)
File "/usr/lib/python3.8/site-packages/beets/ui/__init__.py", line 1249, in _raw_main
subcommands, plugins, lib = _setup(options, lib)
File "/usr/lib/python3.8/site-packages/beets/ui/__init__.py", line 1144, in _setup
lib = _open_library(config)
File "/usr/lib/python3.8/site-packages/beets/ui/__init__.py", line 1201, in _open_library
get_path_formats(),
File "/usr/lib/python3.8/site-packages/beets/ui/__init__.py", line 619, in get_path_formats
path_formats.append((query, template(view.as_str())))
File "/usr/lib/python3.8/site-packages/beets/util/functemplate.py", line 571, in template
return Template(fmt)
File "/usr/lib/python3.8/site-packages/beets/util/functemplate.py", line 581, in __init__
self.compiled = self.translate()
File "/usr/lib/python3.8/site-packages/beets/util/functemplate.py", line 614, in translate
func = compile_func(
File "/usr/lib/python3.8/site-packages/beets/util/functemplate.py", line 155, in compile_func
prog = compile(mod, '<generated>', 'exec')
ValueError: Name node can't be used with 'None' constant

Version-Release number of selected component (if applicable):
beets-1.4.9-4.fc32

How reproducible:
100%

Steps to Reproduce:
1. Run `beet`
2. See Traceback

Actual results:
Traceback shown

Expected results:
Help menu displayed

Additional info:
Looks to be related to the following:
https://github.com/beetbox/beets/pull/3621