added blank line to trigger CI again

src/webworker.js

@@ -12,6 +12,7 @@ var onmessage = function(e) { // eslint-disable-line no-unused-vars
         self[key] = data[key];
       }
     }
+
     self.pyodide.runPythonAsync(data.python, () => {})
         .then((results) => { self.postMessage({results}); })
         .catch((err) => {