Switch to using py-env for environment setup.

pyscriptjs/examples/toga/freedom.html

@@ -33,22 +33,17 @@
         crossorigin="anonymous">
         </script>
   </body>
+  <py-env>
+ - './static/wheels/travertino-0.1.3-py3-none-any.whl'
+ - './static/wheels/toga_core-0.3.0.dev33-py3-none-any.whl'
+ - './static/wheels/toga_web-0.3.0.dev33-py3-none-any.whl'
+ - './static/wheels/freedom-0.0.1-py3-none-any.whl'
+  </py-env>
   <py-script>
-import asyncio
-import micropip
-
-await micropip.install([
-    './static/wheels/travertino-0.1.3-py3-none-any.whl',
-    './static/wheels/toga_core-0.3.0.dev33-py3-none-any.whl',
-    './static/wheels/toga_web-0.3.0.dev33-py3-none-any.whl',
-    './static/wheels/freedom-0.0.1-py3-none-any.whl',
-])
-
 from toga_web.dom import handle as dom_handle
 
 from freedom.__main__ import main
 
 app = main().main_loop(spa=True)
-
   </py-script>
 </html>

pyscriptjs/examples/toga/freedom/src/freedom/app.py

@@ -54,7 +54,7 @@ class FreedomApp(toga.App):
 
 
 def main():
-    return FreedomApp('Freedom Units', 'org.beeware.freedom')
+    return FreedomApp('Freedom Units', 'org.beeware.freedom', version='0.0.1')
 
 
 if __name__ == '__main__':

pyscriptjs/examples/toga/static/pyscript

@@ -0,0 +1 @@
+../../build