can't create workout: TypeError: a float is required

[Pajinek]

v = endomondo.get_workout(531266864)
v.start_time = datetime.utcnow()
endomondo.post_workout(workout=v, properties={'audioMessage': 'false'})
Traceback (most recent call last):
File "", line 1, in
File "endomondo/endomondo.py", line 386, in post_workout
data = '\n'.join([self.flatten_trackpoint(i) for i in chunk])
File "endomondo/endomondo.py", line 410, in flatten_trackpoint
'dist': round(track_point.dist,2),
TypeError: a float is required