Fix issue that stopped theta paths from being drawn

In non theta version last pos and circular index would
be converted to theta which would return a numpy array.
But without theta version it'd return just the tuple
which would cause an error without type coercion.

Signed-off-by: Maxwell Henderson <mxwhenderson@gmail.com>
Change-Id: Ie089368d89f78ef2d5a4324c69206ed85f158eae
diff --git a/y2023/control_loops/python/graph_edit.py b/y2023/control_loops/python/graph_edit.py
index c104808..448103b 100644
--- a/y2023/control_loops/python/graph_edit.py
+++ b/y2023/control_loops/python/graph_edit.py
@@ -361,7 +361,7 @@
                 cr.stroke()
 
     def cur_pt_in_theta(self):
-        if self.theta_version: return self.last_pos
+        if self.theta_version: return numpy.asarray(self.last_pos)
         return to_theta(self.last_pos, self.circular_index_select)
 
     # Current segment based on which mode the drawing system is in.