Make matplotlib targets depend on gtk

Otherwise matplotlib complains it has no graphical backend and won't pop
up a plot.

Change-Id: I73b024c957ea87d1f440f1b73f0806440655c0fd
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/control_loops/python/BUILD b/frc971/control_loops/python/BUILD
index 7b46439..c547833 100644
--- a/frc971/control_loops/python/BUILD
+++ b/frc971/control_loops/python/BUILD
@@ -29,6 +29,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -77,6 +78,7 @@
         ":controls",
         ":python_init",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )
 
@@ -90,6 +92,7 @@
         ":controls",
         ":python_init",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )
 
@@ -132,6 +135,7 @@
         ":python_init",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )
 
@@ -153,6 +157,7 @@
         "//aos/util:py_trapezoid_profile",
         "//frc971/control_loops:python_init",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )
 
@@ -166,6 +171,7 @@
         "//aos/util:py_trapezoid_profile",
         "//frc971/control_loops:python_init",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )
 
diff --git a/y2014/control_loops/python/BUILD b/y2014/control_loops/python/BUILD
index 5704405..3bfba96 100644
--- a/y2014/control_loops/python/BUILD
+++ b/y2014/control_loops/python/BUILD
@@ -60,6 +60,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -76,6 +77,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -92,6 +94,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
diff --git a/y2016/control_loops/python/BUILD b/y2016/control_loops/python/BUILD
index ad3fbe9..6b54950 100644
--- a/y2016/control_loops/python/BUILD
+++ b/y2016/control_loops/python/BUILD
@@ -61,6 +61,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -94,6 +95,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -111,6 +113,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -140,6 +143,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -157,6 +161,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
diff --git a/y2017/control_loops/python/BUILD b/y2017/control_loops/python/BUILD
index 209bd70..a7b5624 100644
--- a/y2017/control_loops/python/BUILD
+++ b/y2017/control_loops/python/BUILD
@@ -58,6 +58,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -106,6 +107,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -123,6 +125,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
@@ -168,6 +171,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
diff --git a/y2018/control_loops/python/BUILD b/y2018/control_loops/python/BUILD
index 35f7433..fcedf40 100644
--- a/y2018/control_loops/python/BUILD
+++ b/y2018/control_loops/python/BUILD
@@ -94,6 +94,7 @@
         "//frc971/control_loops/python:controls",
         "@pip//glog",
         "@pip//matplotlib",
+        "@pip//pygobject",
         "@pip//python_gflags",
     ],
 )
diff --git a/y2020/control_loops/python/BUILD b/y2020/control_loops/python/BUILD
index 8a1f737..3833536 100644
--- a/y2020/control_loops/python/BUILD
+++ b/y2020/control_loops/python/BUILD
@@ -122,6 +122,7 @@
     deps = [
         "//frc971/control_loops/python:controls",
         "@pip//matplotlib",
+        "@pip//pygobject",
     ],
 )