X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/93989e995da7fa22c26abf8cc805273940265f5b..4130c65578b9ac2a42b3b18f4f38917607db3500:/src/black/__init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 222cb3c..b6611be 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -157,6 +157,16 @@ def read_pyproject_toml(
             "target-version", "Config key target-version must be a list"
         )
 
+    exclude = config.get("exclude")
+    if exclude is not None and not isinstance(exclude, str):
+        raise click.BadOptionUsage("exclude", "Config key exclude must be a string")
+
+    extend_exclude = config.get("extend_exclude")
+    if extend_exclude is not None and not isinstance(extend_exclude, str):
+        raise click.BadOptionUsage(
+            "extend-exclude", "Config key extend-exclude must be a string"
+        )
+
     default_map: Dict[str, Any] = {}
     if ctx.default_map:
         default_map.update(ctx.default_map)