Issue #28732: Adds new errors to spawnv emulation for platforms that only have fork and execv
diff --git a/Lib/os.py b/Lib/os.py
index 71ed088..a704fb2 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -832,6 +832,10 @@
def _spawnvef(mode, file, args, env, func):
# Internal helper; func is the exec*() function to use
+ if not isinstance(args, (tuple, list)):
+ raise TypeError('argv must be a tuple or a list')
+ if not args[0]:
+ raise ValueError('argv first element cannot be empty')
pid = fork()
if not pid:
# Child