Abu Dawud said: Sufyan and Shu'bah narrated this tradition from Abu Ishaq as a statement of Ibn 'Umar himself, they did not transmit it as a saying of the Prophet (ﷺ)
In-book : Book 6, Hadith 17
English translation : Book 6, Hadith 1382
6. Prayer (Kitab Al-Salat): Detailed Injunctions about Ramadan
باب مَنْ قَالَ هِيَ فِي كُلِّ رَمَضَانَ