fix: address one TODO

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Author: henryiii

src/uproot_browser/tui/browser.py

@@ -132,8 +132,9 @@ def on_uproot_selected(self, message: UprootSelected) -> None:
 
         except Exception:
             error_widget = content_switcher.query_one("#error", ErrorWidget)
-            # MyPy doesn't like assignment with different signatures - TODO: apply Error here
-            error_widget.exc = sys.exc_info()  # type: ignore[assignment]
+            exc = sys.exc_info()
+            assert exc[1]
+            error_widget.exc = Error(exc)
             content_switcher.current = "error"
 
 

src/uproot_browser/tui/right_panel.py

@@ -111,10 +111,8 @@ def exc(self) -> Error | None:
         return self._exc
 
     @exc.setter
-    def exc(
-        self, value: tuple[type[BaseException], BaseException, TracebackType]
-    ) -> None:
-        self._exc = Error(value)
+    def exc(self, value: Error) -> None:
+        self._exc = value
         self.clear()
         self.write(self._exc)
         # self.refresh()