Shockingly unreliable, Amy Winehouse blew off a date with London cops last week, after the 5.0 wanted to ask her questions about an incident in which she allegedly socked Sherene Flash at the End of Summer Ball in London.

This incident allegedly happened month, after Sherene Flash asked - the nerve - to have her photo taken with the living, breathing train wreck.

The cops are reporting today that the appointment will be rescheduled, and no legal action will be taken against Amy Winehouse at this time.

Reports that the troubled wife of Blake Fielder-Civil is going to be arrested for assault are not true ... though possibly just premature.