pip: include pycurl hook for python 2.7 on slc6
I have a use case where I run python2.7 on an SLC6 machine. The pip command line has changed between version, so hook for pycurl needs to be adapted
I have a use case where I run python2.7 on an SLC6 machine. The pip command line has changed between version, so hook for pycurl needs to be adapted