Switch to python3 and scipy from slycot
Turns out we need python3 matplotlib to make scipy work well enough to
place the poles correctly for our systems. Rather than do it piecemeal,
do it all at once.
This includes a python opencv upgrade too to support the new python, and
a matplotlib upgrade.
Change-Id: Ic7517b5ebbfdca9cc90ae6a61d86b474f2f21b29
diff --git a/y2018/control_loops/python/polydrivetrain_test.py b/y2018/control_loops/python/polydrivetrain_test.py
index 02018d3..ccc3b77 100644
--- a/y2018/control_loops/python/polydrivetrain_test.py
+++ b/y2018/control_loops/python/polydrivetrain_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
from frc971.control_loops.python import polydrivetrain
import numpy