filenames with several dots fails

[mdtrooper]

Description of issue / feature request

filenames with several dots fails

Expected behavior

Runs fine

Actual behavior

Fails

Environment settings (for bug reports)

unuser@miguel-pc:/$ uname -a
Linux miguel-pc 4.15.0-43-generic #46~16.04.1-Ubuntu SMP Fri Dec 7 13:31:08 UTC 2018 x86_64 GNU/Linux
unuser@miguel-pc:/$ python --version
Python 3.5.6
unuser@miguel-pc:/$ pip list | grep locustio
locustio     0.9.0     
unuser@miguel-pc:/$ 

Steps to reproduce (for bug reports)

unuser@miguel-pc:/$ locust -f /tests/login_and_minimal_navigation.test.py -H http://127.0.0.1:10000 --no-web -c 10 -r 2 -t 30s --only-summary
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: Traceback (most recent call last):
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: File "/usr/local/bin/locust", line 11, in <module>
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: sys.exit(main())
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,137] miguel-pc/ERROR/stderr: File "/usr/local/lib/python3.5/site-packages/locust/main.py", line 391, in main
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: docstring, locusts = load_locustfile(locustfile)
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: File "/usr/local/lib/python3.5/site-packages/locust/main.py", line 358, in load_locustfile
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: imported = __import__(os.path.splitext(locustfile)[0])
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: 
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: ImportError
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: :
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: No module named 'login_and_minimal_navigation'
[2019-01-04 09:32:05,138] miguel-pc/ERROR/stderr: 
unuser@miguel-pc:/$

[raiyankamal]

@cgoldberg I created a PR to fix this (#941). While working on it noticed some of the code around that line could be removed. For example, adding something to the PYTHONPATH, then removing it after loading of the module. Would love to hear your thoughts on it. Thanks.

[cgoldberg]

fixed by #941 .. thanks!