Tweak subprocess importing so it still ImportErrors, just lazily.
Tweak subprocess importing so it still ImportErrors, just lazily.

This feels better than raising our own custom error of whatever class when popen is None.

Only obvious downside is it's 'bad style' but I defer to Zen of Python number 9

Re #334

ameily/paramiko,reaperhulk/paramiko,jaraco/paramiko,dorianpula/paramiko,SebastianDeiss/paramiko,mirrorcoder/paramiko,paramiko/paramiko