fyhuang/flight_price — pull request #1 by jvtrigueros (2013-03-28 03:36:32+00:00)
Title: TypeError: range() integer end argument expected, got float, line 54

Running Python on Windows 7, I came across this problem, but could be fixed if the result of the ceiling operation is casted to an int.
```python
num_weeks = int(math.ceil(num_days / 7))
```