fix node type filter

[shivamka1]

What changes were proposed in this pull request?

Fixes #1599

Why are the changes needed?

Same as above

Does this PR introduce any user-facing change? If yes is this documented?

No

How was this patch tested?

Unit test

Issues

If this resolves any issues, please link to them here, the format is a KEYWORD followed by @<ISSUE NUMBER>_ KEYWORDS available are close, closes, closed, fix, fixes, fixed, resolve, resolves, resolved. Please delete this text before creating your PR #1599

Are there any further changes required?

No