diff --git a/src/deep_neurographs/utils/util.py b/src/deep_neurographs/utils/util.py
index 6530c6b..28fb3e7 100644
--- a/src/deep_neurographs/utils/util.py
+++ b/src/deep_neurographs/utils/util.py
@@ -682,16 +682,15 @@ def get_memory_available():
     return psutil.virtual_memory().available / 1e9
 
 
-def spaced_idxs(container, k):
+def spaced_idxs(arr_length, k):
     """
     Generates an array of indices based on a specified step size and ensures
     the last index is included.
 
     Parameters:
     ----------
-    container : iterable
-        An iterable (e.g., list, array) from which the length is determined.
-        The length  of this container dictates the range of generated indices.
+    arr_length : int
+        Length of array to be sampled from.
     k : int
         Step size for generating indices.
 
@@ -703,7 +702,7 @@ def spaced_idxs(container, k):
         "container" is guaranteed to be included in the output.
 
     """
-    idxs = np.arange(0, len(container) + k, k)[:-1]
-    if len(container) % 2 == 0:
-        idxs = np.append(idxs, len(container) - 1)
+    idxs = np.arange(0, arr_length + k, k)[:-1]
+    if arr_length % 1 == 0:
+        idxs = np.append(idxs, arr_length - 1)
     return idxs