listtables - TypeError: Expected a string, got object

[dvmorris]

Steps to Reproduce

• Install Dataform 2.0

$ dataform --version
2.0.0-beta.1

• create sample empty bigquery project

dataform init bigquery \
    --default-database <gcp-project-id> \
    --default-location us

dataform init-creds bigquery

• Run dataform listtables command

$ dataform listtables bigquery
Dataform encountered an error: Expected a string, got object
TypeError: Expected a string, got object
    at module.exports (/usr/local/lib/node_modules/@dataform/cli/node_modules/untildify/index.js:8:9)
    at actuallyResolve (/usr/local/lib/node_modules/@dataform/cli/bundle.js:26963:52)
    at Object.processFn (/usr/local/lib/node_modules/@dataform/cli/bundle.js:27902:78)
    at Object.handler (/usr/local/lib/node_modules/@dataform/cli/bundle.js:27066:44)