Support list to EnvList conversion in MemoryLoader (tox-dev#3343)

src/tox/config/loader/memory.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import TYPE_CHECKING, Any, Iterator
+from typing import TYPE_CHECKING, Any, Iterator, Sequence
 
 from tox.config.types import Command, EnvList
 
@@ -62,4 +62,6 @@ def to_env_list(value: Any) -> EnvList:
             return value
         if isinstance(value, str):
             return StrConvert.to_env_list(value)
+        if isinstance(value, Sequence):
+            return EnvList(value)
         raise TypeError(value)

tests/config/loader/test_memory_loader.py

@@ -43,6 +43,7 @@ def test_memory_loader_override() -> None:
         (os.getcwd(), Path, Path.cwd()),  # noqa: PTH109
         ("pip list", Command, Command(["pip", "list"])),
         ("a\nb", EnvList, EnvList(["a", "b"])),
+        (["a", "b"], EnvList, EnvList(["a", "b"])),
         ("1", Optional[int], 1),
     ],
 )