Don't spawn greenlet if file exists
Don't spawn greenlet if file exists

Conflicts:
	fetch.py

jrmerz/osrc,jrmerz/osrc,YanjieGao/osrc,errietta/osrc,YanjieGao/osrc,dfm/osrc,pombredanne/osrc,dfm/osrc,YanjieGao/osrc,dfm/osrc,jrmerz/osrc,errietta/osrc,errietta/osrc