split loop

director.py

@@ -40,8 +40,14 @@ class Director:
     def add_pvs(self, pvnames):
         figs_col = column()
         for line in pvnames:
+            figs_row = self.make_pvs_row(line)
+            figs_col.children.append(figs_row)
+        self.plot_container.children.insert(0, figs_col)
+
+
+    def make_pvs_row(self, pvnames):
         figs_row = row()
-            for n in line:
+        for n in pvnames:
             print("Add PV:", n)
             try:
                 a = Actor(figs_row, n)
@@ -52,8 +58,7 @@ class Director:
                     return lambda: self.remove_plot(x)
                 a.plt.on_click_close(make_remover(a))
                 self.add_plot(a)
-            figs_col.children.append(figs_row)
-        self.plot_container.children.insert(0, figs_col)
+        return figs_row
 
 
     def add_plot(self, a):