Force UTF-8 for Shiny Express on Windows

Author: jcheng5

shiny/express/_run.py

@@ -92,7 +92,7 @@ def express_server(input: Inputs, output: Outputs, session: Session):
 
 
 def run_express(file: Path) -> Tag | TagList:
-    with open(file) as f:
+    with open(file, encoding="utf-8") as f:
         content = f.read()
 
     tree = ast.parse(content, file)