Update app.py

app.py

@@ -27,7 +27,7 @@ def dynamic_huff_model(df_distances, df_attractiveness, alpha, beta, df_capacity
     df_population_per_iteration = df_population / iterations
 
     # Run the iterative distribution process
-    for _ in range(iterations):
+    for _ in range(int(iterations)):
         attractiveness = df_attractiveness.copy()
         current_visitors = df_visitors.sum(axis=0)