Scrapy erhalten den Attributwert in den Attributwert

#Given 
<time datetime="2020-09-01T11:48:24-03:00" itemprop="datePublished">a given text</time>

# to get the attribute value datetime:
getData = response.css('time::attr(datetime)').get()

# output
'2020-09-01T11:48:24-03:00'
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