Update app.py

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import math
 
 def build(size=5):
     tot = size*size
@@ -8,9 +9,9 @@ def build(size=5):
     box_o=[x for x in range(size)]
     for i in range(size):box.append(box_o) 
     print(box)
-    box_cent=int(len(box)/2)
+    box_cent=math.ceil(len(box)/2)
     print(box_cent)
-    cent=int(len(box_cent)/2)
+    cent=int(box_cent/2)
     print(cent)
     print(box_cent[cent])
     num_h,num_v=0,0