Avoid launch errors.

app.py

@@ -98,7 +98,9 @@ def prompt_to_layout(user_prompt, intensity, fpath=None):
         temp = []
         for xy in coord:
             numbers = xy.split(',')
-            temp.append(tuple([int(num)/14.2 for num in numbers]))
+            for num in numbers:
+              if num.isdigit():
+                  temp.append(int(num)/14.2)
         num_coords.append(temp)
         
     new_spaces = []