我试图从数据框中查找缺失值和空值，但出现异常。我只包含了下面最初的几个模式：
root
|-- created_at: string (nullable = true)
|-- id: long (nullable = true)
|-- id_str: string (nullable = true)
|-- text: string (nullable = true)
|-- display_text_range: string (nullable = true)
|-- source: string (nullable = true)
|-- truncated: boolean (nullable = true)
|-- in_reply_to_status_id: double (nullable = true)
|-- in_reply_to_status_id_str: string (nullable = true)
|-- in_reply_to_user_id: double (nullable = true)
|-- in_reply_to_user_id_str: string (nullable = true)
|-- in_reply_to_screen_name: string (nullable = true)
|-- geo: double (nullable = true) …