Fix typing bug

Author: CBroz1

element_array_ephys/probe.py

@@ -1,6 +1,7 @@
 """
 Neuropixels Probes
 """
+from typing import List
 
 import datajoint as dj
 import numpy as np
@@ -216,7 +217,7 @@ def build_electrode_layouts(
     shank_count: int = 1,
     shank_spacing: float = None,
     y_origin="bottom",
-) -> list[dict]:
+) -> List[dict]:
 
     """Builds electrode layouts.