feat: expose environment variable in PythonExtension execute method for template access

src/dreamii/python.py

@@ -123,7 +123,7 @@ class PythonExtension(Extension):
                     print(html.escape(result.stderr) if escape else result.stderr, end="")
 
             return html.escape(result.stdout + result.stderr) if stderr else result.stdout
-
+        environment = self.environment
         db = self.app.db
         app = self.app
         dreamii = self.app