missing import

1 year ago · 59a986546c
parent 19ac45a4f4
commit 59a986546c
1 changed files with 1 additions and 0 deletions
--- a/masque/library.py
+++ b/masque/library.py
@ -1042,6 +1042,7 @@ class Tree(MutableLibrary):

    @classmethod
    def mk(cls, top: str) -> Tuple['Tree', 'Pattern']:
+        from .pattern import Pattern
        tree = cls(top=top)
        pat = Pattern()
        tree[top] = pat