We were disappointed to have been on the 2nd floor (European counting) rather than the 5th floor as shown in the pix. We had the same layout as promised, and the space is wonderful: spacious rooms, well-equipped kitchen, high ceilings, gorgeous floors. But for us the #1 selling feature was the straight-shot view of the Eiffel Tower over the roof of the building across the street, which our unit lacked.
Alexis was fairly unresponsive to our concerns, first suggesting that we'd been upgraded (definitely not!) and then telling us "he'd have to check with his manager." Fortunately, folks at Airbnb intervened and refunded some of our money.
Almost all previous renters raved about the views, suggesting that there may have been a one-off double-booking error or similar. Still, my advice to others would be to specifically confirm with Alexis that you'll be given the keys to the apartment shown in the pix before booking the unit.