fix numpy import

Author: AnneHartebrodt

src/netmap/utils/data_utils.py

@@ -9,6 +9,7 @@
 from pathlib import Path
 import pyarrow.parquet as pq
 import pyarrow as pa
+import numpy as np
 
 def attribution_to_anndata(attribution_list, var = None, obs = None)-> anndata.AnnData: