-sh-4.1$ ./scripts/upgrade
Set up configuration files
Creating required directories
Pulling revision 'tip' from http://hg.nocproject.org/noc
pulling from http://hg.nocproject.org/noc
searching for changes
adding changesets
adding manifests
adding file changes
added 38 changesets with 91 changes to 62 files
62 files updated, 0 files merged, 5 files removed, 0 files unresolved
Checking virtualenv
Updating python libraries
Requirement already satisfied (use --upgrade to upgrade): Mercurial>=2.5.2 in ./lib/python2.6/site-packages (from -r requirements.txt (line 1))
Requirement already satisfied (use --upgrade to upgrade): psycopg2>=2.5 in ./lib/python2.6/site-packages (from -r requirements.txt (line 2))
Requirement already satisfied (use --upgrade to upgrade): pymongo>=2.5.1 in ./lib/python2.6/site-packages (from -r requirements.txt (line 3))
Downloading/unpacking gmpy==1.16 (from -r requirements.txt (line 4))
  Running setup.py egg_info for package gmpy
    The required versions of GMP/MPIR, MPFR, or MPC could not be
    found. gmpy2 requires MPFR version 3.1.0 or greater and MPC
    version 1.0.0 or greater. To specify a directory prefix that
    contains the proper versions, use the --prefix=<dir> option.
  Source in ./build/gmpy has the version 2.0.0, which does not match the requirement gmpy==1.16 (from -r requirements.txt (line 4))
Source in ./build/gmpy has version 2.0.0 that conflicts with gmpy==1.16 (from -r requirements.txt (line 4))
Storing complete log in /home/noc/.pip/pip.log
upgrade: 153: Cannot update python libraries
Terminating
-sh-4.1$ pip