python2 with version 3.36.0 does not calculate ETA

[JoeSc]

Description

using python2.7.6 and progressbar2-3.36.0 and the ETA is calculated as "N/A"

Code

import time
import progressbar

bar = progressbar.ProgressBar()
for i in bar(range(100)):
    time.sleep(0.02)

Versions

• Python version:

import sys; print(sys.version)
2.7.6 (default, Oct 26 2016, 20:30:19)
[GCC 4.8.4]
&&
import sys; print(sys.version)
2.7.10 (default, Oct 14 2015, 16:09:02)
[GCC 5.2.1 20151010]

• Python distribution/environment: acquired via apt-get
• Operating System: Windows 10(bash) & Ubuntu Linux
• Package version: 3.36.0

[wolph]

Thanks for letting me know :)

I've extended the tests you provided to detect these issues as well.