Update Contributing Docs (#1915)

[etc/vim.git] / src / black_primer / lib.py

diff --git a/src/black_primer/lib.py b/src/black_primer/lib.py
index afeb0721cc4fbbcde60811e1203409d57a2bab47..5c5576e1ff334f8b8d22f2d58d704438914c6f25 100644 (file)
--- a/src/black_primer/lib.py
+++ b/src/black_primer/lib.py
@@ -59,10 +59,12 @@ async def _gen_check_output(
         raise
 
     if process.returncode != 0:
+        returncode = process.returncode
+        if returncode is None:
+            returncode = 69
+
         cmd_str = " ".join(cmd)
-        raise CalledProcessError(
-            process.returncode, cmd_str, output=stdout, stderr=stderr
-        )
+        raise CalledProcessError(returncode, cmd_str, output=stdout, stderr=stderr)
 
     return (stdout, stderr)