Cloudflare provider having issues

[adampetrovic]

I've redacted my personal details.

I get the following error when running terraformer import cloudflare --resources=dns

2019/07/29 13:14:14 Refreshing state... cloudflare_record.MX_mydomain--com--au_<hash_id>
panic: interface conversion: interface {} is nil, not string

goroutine 1 [running]:
github.com/GoogleCloudPlatform/terraformer/providers/cloudflare.(*DNSGenerator).PostConvertHook(0xc000168190, 0x3f44ec0, 0xc000168190)
	/Users/apetrovic/code/terraformer/providers/cloudflare/dns.go:118 +0x485
github.com/GoogleCloudPlatform/terraformer/cmd.Import(0x3f3e9c0, 0xc0000cde20, 0xc0004ae970, 0x1, 0x1, 0x3a079a8, 0x1e, 0x39d4638, 0x9, 0x39cdf5f, ...)
	/Users/apetrovic/code/terraformer/cmd/import.go:106 +0x23c
github.com/GoogleCloudPlatform/terraformer/cmd.newCmdCloudflareImporter.func1(0xc0003be280, 0xc0004ae950, 0x0, 0x1, 0x0, 0x0)
	/Users/apetrovic/code/terraformer/cmd/cloudflare.go:30 +0xe4
github.com/spf13/cobra.(*Command).execute(0xc0003be280, 0xc0004ae930, 0x1, 0x1, 0xc0003be280, 0xc0004ae930)
	/Users/apetrovic/code/go/pkg/mod/github.com/spf13/[email protected]/command.go:762 +0x465
github.com/spf13/cobra.(*Command).ExecuteC(0xc00017d900, 0x39cfda3, 0x6, 0xc000541f88)
	/Users/apetrovic/code/go/pkg/mod/github.com/spf13/[email protected]/command.go:852 +0x2ec
github.com/spf13/cobra.(*Command).Execute(...)
	/Users/apetrovic/code/go/pkg/mod/github.com/spf13/[email protected]/command.go:800
github.com/GoogleCloudPlatform/terraformer/cmd.Execute(0x0, 0x0)
	/Users/apetrovic/code/terraformer/cmd/root.go:36 +0x28
main.main()
	/Users/apetrovic/code/terraformer/main.go:25 +0x22