He did not observe (Nafl) prayer after Jumu'a till he went back and observed two rak'ahs in his house. Yahya said: I guess that I uttered these words (before Imam Malik) that he of course observed (them).
أَنَّهُ وَصَفَ تَطَوُّعَ صَلاَةِ رَسُولِ اللَّهِ ﷺ قَالَ فَكَانَ لاَ يُصَلِّي بَعْدَ الْجُمُعَةِ حَتَّى يَنْصَرِفَ فَيُصَلِّي رَكْعَتَيْنِ فِي بَيْتِهِ قَالَ يَحْيَى أَظُنُّنِي قَرَأْتُ فَيُصَلِّي أَوْ أَلْبَتَّةَ