Using IO objects

requirements.lock

@@ -41,17 +41,25 @@ mdit-py-plugins==0.4.1
 mdurl==0.1.2
     # via markdown-it-py
 msgpack==1.0.8
+    # via textual
     # via textual-serve
 multidict==6.0.5
     # via aiohttp
     # via yarl
+platformdirs==4.2.2
+    # via textual
 pygments==2.18.0
     # via rich
 rich==13.7.1
     # via textual
     # via textual-serve
-textual==0.76.0
+textual @ file:///Users/darrenburns/code/textual-serve/../textual
     # via textual-serve
+tree-sitter==0.20.4
+    # via textual
+    # via tree-sitter-languages
+tree-sitter-languages==1.10.2
+    # via textual
 typing-extensions==4.12.2
     # via rich
     # via textual