Fixed zcetools

* zcetools got broken by previous commits to graphtools, fixed it.

prasopes/zcetools.py

@@ -33,7 +33,7 @@ def pop_dial(zcespec, gradspect, data_set, coff_d, grad_d,
     zcespec.axhline(0, color="#0000FF88", linestyle=":")
     gt.pop_plot(zcespec, coff_d)
     gt.pop_plot(gradspect, grad_d)
-    grad_d['line'][0].set_color("red")
+    gradspect.lines[-1].set_color("red")
     gradspect.set_ylim(bottom=gradspect.get_ylim()[1] * -0.1)
     zcespec.set_title("COFF", loc="center")
 
@@ -117,9 +117,9 @@ def print_graph(ds, coff, coffgrad, filename):
 
 
 def dialog(parent, ds, filename, update_signal):
-    coff = dict(x=[0], y=[0], line=None, name="",
+    coff = dict(x=[0], y=[0], name="",
                 xlabel="Voltage (V)", ylabel="ion count")
-    coffgrad = dict(x=[0], y=[0], c_ymin=-0.1, line=None, name="",
+    coffgrad = dict(x=[0], y=[0], c_ymin=-0.1, name="",
                     xlabel="", ylabel="ion count gradient", gmax=None,
                     fwhm_x=None, fwhm_y=None, fwhm=None)