Update app.py

app.py

@@ -302,8 +302,19 @@ def generate_windows_from_selection(selected_indices, window_size, window_type):
             windows.append(selected_indices[i:i+window_size])
     else:  # non-contiguous
         from itertools import combinations
-        windows = list(combinations(selected_indices, window_size))
-        windows = [list(w) for w in windows]
+        all_combos = list(combinations(selected_indices, window_size))
+        
+        # Filter out contiguous combinations
+        for combo in all_combos:
+            combo_list = list(combo)
+            # Check if this combination is contiguous in the ORIGINAL indices
+            is_contiguous = all(combo_list[i+1] - combo_list[i] == 1 for i in range(len(combo_list)-1))
+            if not is_contiguous:
+                windows.append(combo_list)
+        
+        # If no non-contiguous windows found, return empty (or you could return all combinations)
+        if not windows:
+            st.warning(f"⚠️ No non-contiguous combinations found for window size {window_size}")
     
     return windows