Change definition of cluster again

Author: ethanbb

mesmerize_core/algorithms/_utils.py

@@ -6,6 +6,7 @@
 
 import caiman as cm
 from caiman.cluster import setup_cluster
+from ipyparallel import DirectView
 from multiprocessing.pool import Pool
 
 
@@ -26,7 +27,7 @@ def __len__(self) -> int:
         ...
 
 
-Cluster = Union[Pool, CustomCluster]
+Cluster = Union[Pool,  CustomCluster, DirectView]
 
 
 def get_n_processes(dview: Optional[Cluster]) -> int: