From cf2a11d3f5f28fecb49063171257bd6061874a08 Mon Sep 17 00:00:00 2001
From: Giacomo Tagliabue <giacomo.tag@gmail.com>
Date: Tue, 24 Sep 2019 11:59:49 -0400
Subject: [PATCH] fix

---
 black.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/black.py b/black.py
index 320abd3ab72..3f28814fdcb 100644
--- a/black.py
+++ b/black.py
@@ -3454,11 +3454,11 @@ def gen_python_files(
 def gen_python_files_in_dir(
     path: Path,
     root: Path,
-    include: Pattern[str],
+    include: Optional[Pattern[str]],
     exclude: Pattern[str],
     report: "Report",
 ) -> Iterator[Path]:
-    return gen_python_files(path.iterdir())
+    return gen_python_files(path.iterdir(), root, include, exclude, report)