Update upload.py

upload.py

@@ -537,7 +537,7 @@ def _post_video(driver) -> None:
     driver : selenium.webdriver
     """
     logger.debug(green('Clicking the post button'))
-    el=driver.find_elements_by_xpath("//button[contains(string(), 'Post')]")[0]
+    el=driver.find_element(By.XPATH,"//button[contains(string(), 'Post')]")
 
     action = ActionChains(driver)
     action.move_to_element_with_offset(el, 1032, 1176)