final fix for webinar

Author: stes

app.py

@@ -144,7 +144,7 @@ def update_image(clickData, relayoutData, click_n, click_p, click_c, slider_val,
     elif 'autorange' in key:
         view.fig.update_xaxes(autorange=True)
         view.fig.update_yaxes(autorange='reversed')
-    n_bpt = view.options.index(option)
+    n_bpt = view.options.index(option) if option in view.options else 0
     if button_id != 'slider' and 'relayout' not in event:
         n_bpt += 1
     new_option = view.options[min(len(view.options) - 1, n_bpt)]

view.py

@@ -83,7 +83,7 @@ def make_layout(self):
                     dcc.Input(
                         id="input_name",
                         type='text',
-                        placeholder=str(uuid.uuid4()),
+                        placeholder="Please add username"
                     ),
                     html.Button('Previous', id='previous'),
                     html.Button('Next', id='next'),
@@ -121,7 +121,7 @@ def make_layout(self):
         )
 
     def pick_keypoint_subset(self):
-        self.subset = list(range(len(self.appconfig.options)))
+        self.subset = [0, 1, 2, 8, 9]
         #random.sample(range(len(self.appconfig.options)), self.appconfig.n2show)
 
     def refresh_radio_buttons(self):