tech_support needs some tech support

[keithbriggs]

Traceback (most recent call last):
File "try_simultaneous_diagonalization_00.py", line 8, in
from analyzer import tech_support
File "/usr/local/lib/python3.6/dist-packages/analyzer/init.py", line 2, in
from analyzer.solvers import get_solvers
File "/usr/local/lib/python3.6/dist-packages/analyzer/solvers.py", line 3, in
from cvxpy.constraints import (
ImportError: cannot import name 'NonNeg'