[NSILMike]

Runs about 3 to 5 seconds, then:

Python function terminated unexpectedly
HTTP Error 503: Backend is unhealthy (Error Code: 1)
Traceback (most recent call last):
File "site.py", line 132, in main
File "site.py", line 109, in run_entry_point
File "site-packages\calibre\utils\ipc\worker.py", line 195, in main
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 26, in gui_convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 1064, in run
File "site-packages\calibre\customize\conversion.py", line 245, in __call__
File "site-packages\calibre\ebooks\conversion\plugins\recipe_ input.py", line 118, in convert
File "site-packages\calibre\web\feeds\news.py", line 887, in __init__
File "<string>", line 120, in get_browser
File "site-packages\mechanize-0.2.5-py2.7.egg\mechanize\_mechanize.py", line 203, in open
File "site-packages\mechanize-0.2.5-py2.7.egg\mechanize\_mechanize.py", line 255, in _mech_open
mechanize._response.httperror_seek_wrapper: HTTP Error 503: Backend is unhealthy