fix(typing): install env was typed differently (#1028)

henryiii · web-flow · commit 6d669ae6da36 · 2025-11-05T18:43:13.000-05:00
Signed-off-by: Henry Schreiner &lt;henryschreineriii@gmail.com&gt;
diff --git a/nox/sessions.py b/nox/sessions.py
@@ -775,7 +775,7 @@ def conda_install(
     def install(
         self,
         *args: str,
-        env: Mapping[str, str] | None = None,
+        env: Mapping[str, str | None] | None = None,
         include_outer_env: bool = True,
         silent: bool | None = None,
         success_codes: Iterable[int] | None = None,
