Update app.py

app.py

@@ -61,6 +61,7 @@ def run_script(url: str, height: int, width: int, check_b,check_h):
             print (dir(dk))
             print (page.get_attribute('theme'))
             driver.execute_script("arguments[0].theme='gab-black';",page)
+            driver.execute()
             print (page.get_attribute('theme'))
             print(dir(driver))
             #driver.get(driver.getCurrentUrl())