From 97b52dd5cbd168dcbb54621e931751aea9a0f4af Mon Sep 17 00:00:00 2001
From: MarcoGorelli <marcogorelli@protonmail.com>
Date: Fri, 29 Oct 2021 10:24:44 +0100
Subject: [PATCH] fix deprecation warning from tomli

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

diff --git a/src/black/files.py b/src/black/files.py
index 4d7b47aaa9f..eb4a94a5e60 100644
--- a/src/black/files.py
+++ b/src/black/files.py
@@ -93,8 +93,8 @@ def parse_pyproject_toml(path_config: str) -> Dict[str, Any]:
 
     If parsing fails, will raise a tomli.TOMLDecodeError
     """
-    with open(path_config, encoding="utf8") as f:
-        pyproject_toml = tomli.load(f)  # type: ignore  # due to deprecated API usage
+    with open(path_config, "rb") as f:
+        pyproject_toml = tomli.load(f)
     config = pyproject_toml.get("tool", {}).get("black", {})
     return {k.replace("--", "").replace("-", "_"): v for k, v in config.items()}