X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/7c94ed61a55f8ae0c60737cbc6cfee3b5066ce11..ea4c772746d787a93a0f19ce3cbabfacd8094205:/src/black/linegen.py

diff --git a/src/black/linegen.py b/src/black/linegen.py
index c1cd6fa..dc238c3 100644
--- a/src/black/linegen.py
+++ b/src/black/linegen.py
@@ -815,9 +815,10 @@ def normalize_invisible_parens(node: Node, parens_after: Set[str]) -> None:
                 # "import from" nodes store parentheses directly as part of
                 # the statement
                 if is_lpar_token(child):
+                    assert is_rpar_token(node.children[-1])
                     # make parentheses invisible
                     child.value = ""
-                    node.children[-1].value = ""  # type: ignore
+                    node.children[-1].value = ""
                 elif child.type != token.STAR:
                     # insert invisible parentheses
                     node.insert_child(index, Leaf(token.LPAR, ""))