Traceback (most recent call last):
File "/usr/bin/snapcraft", line 31, in <module>
snapcraft.main.main()
File "/usr/lib/python3/dist-packages/snapcraft/main.py", line 210, in main
return run(args, project_options)
File "/usr/lib/python3/dist-packages/snapcraft/main.py", line 266, in run
lifecycle.snap(project_options, args['<directory>'], args['--output'])
File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle.py", line 256, in snap
snap = execute('prime', project_options)
File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle.py", line 95, in execute
config = snapcraft.internal.load_config(project_options)
File "/usr/lib/python3/dist-packages/snapcraft/internal/yaml.py", line 448, in load_config
return Config(project_options)
File "/usr/lib/python3/dist-packages/snapcraft/internal/yaml.py", line 130, in __init__
self._validator.validate()
File "/usr/lib/python3/dist-packages/snapcraft/_schema.py", line 71, in validate
self._snapcraft, self._schema, format_checker=format_check)
File "/usr/lib/python3/dist-packages/jsonschema/validators.py", line 478, in validate
cls(schema, *args, **kwargs).validate(instance)
File "/usr/lib/python3/dist-packages/jsonschema/validators.py", line 122, in validate
for error in self.iter_errors(*args, **kwargs):
File "/usr/lib/python3/dist-packages/jsonschema/validators.py", line 98, in iter_errors
for error in errors:
File "/usr/lib/python3/dist-packages/jsonschema/_validators.py", line 291, in properties_draft4
schema_path=property,
File "/usr/lib/python3/dist-packages/jsonschema/validators.py", line 114, in descend
for error in self.iter_errors(instance, schema):
File "/usr/lib/python3/dist-packages/jsonschema/validators.py", line 98, in iter_errors
for error in errors:
File "/usr/lib/python3/dist-packages/jsonschema/_validators.py", line 25, in additionalProperties
extras = set(_utils.find_additional_properties(instance, schema))
File "/usr/lib/python3/dist-packages/jsonschema/_utils.py", line 100, in find_additional_properties
if patterns and re.search(patterns, property):
File "/usr/lib/python3.5/re.py", line 173, in search
return _compile(pattern, flags).search(string)
TypeError: expected string or bytes-like object