chore: Fix typings for remove_tabs_js

Author: tony

docs/conf.py

@@ -6,6 +6,9 @@
 from pathlib import Path
 
 import tmuxp
+if t.TYPE_CHECKING:
+    from sphinx.application import Sphinx
+
 
 # Get the project root dir, which is the parent dir of this
 cwd = Path(__file__).parent
@@ -244,12 +247,12 @@ def linkcode_resolve(domain, info):  # NOQA: C901
             linespec,
         )
 
-
-def remove_tabs_js(app, exc):
+def remove_tabs_js(app: "Sphinx", exc: Exception) -> None:
+    # Fix for sphinx-inline-tabs#18
     if app.builder.format == "html" and not exc:
         tabs_js = Path(app.builder.outdir) / "_static" / "tabs.js"
         tabs_js.unlink()
 
 
-def setup(app):
+def setup(app: "Sphinx") -> None:
     app.connect("build-finished", remove_tabs_js)