Properly import OCF blosc2

Author: devsjc

nowcasting_dataset/data_sources/nwp/nwp_data_source.py

@@ -8,7 +8,7 @@
 import numpy as np
 import pandas as pd
 import xarray as xr
-from ocf_blosc2 import Blosc2
+import ocf_blosc2
 
 from nowcasting_dataset import utils
 from nowcasting_dataset.consts import NWP_VARIABLE_NAMES