Update app.py

app.py

@@ -93,19 +93,31 @@ class Measurer:
 
     def get_dists(self, l1, l2):
         if l1 in self.tree_dist_func:
-            tree_dist = self.tree_dist_func[l1][l2]
+            if l2 in self.tree_dist_func[l1]:
+                tree_dist = self.tree_dist_func[l1][l2]
+            else:
+                tree_dist = self.tree_dist_func[l2][l1]
         else:
             tree_dist = self.tree_dist_func[l2][l1]
         if l1 in self.map_dist_func:
-            map_dist = self.map_dist_func[l1][l2]
+            if l2 in self.map_dist_func[l1]:
+                map_dist = self.map_dist_func[l1][l2]
+            else:
+                map_dist = self.map_dist_func[l2][l1]
         else:
             map_dist = self.map_dist_func[l2][l1]
         if l1 in self.asp_dist_func:
-            asp_dist = self.asp_dist_func[l1][l2]
+            if l2 in self.asp_dist_func[l1]:
+                asp_dist = self.asp_dist_func[l1][l2]
+            else:
+                asp_dist = self.asp_dist_func[l2][l1]
         else:
             asp_dist = self.asp_dist_func[l2][l1]
         if l1 in self.learned_dist_func:
-            learned_dist = self.learned_dist_func[l1][l2]
+            if l2 in self.learned_dist_func[l1]:
+                learned_dist = self.learned_dist_func[l1][l2]
+            else:
+                learned_dist = self.learned_dist_func[l2][l1]
         else:
             learned_dist = self.learned_dist_func[l2][l1]
         return tree_dist, map_dist, asp_dist, learned_dist
@@ -142,5 +154,6 @@ iface = gr.Interface(fn=m.measure,
                      outputs=[gr.Plot(),
                               gr.Plot(),
                               gr.Plot(),
-                              gr.Plot()])
+                              gr.Plot()],
+                     article="This demo allows you to view the distance between two languages from the ISO 639-3 list according to several distance measurement functions. For more information, check out our paper: https://arxiv.org/abs/2406.06403 and our text-to-speech tool, in which we make use of this technique: https://github.com/DigitalPhonetics/IMS-Toucan")
 iface.launch()