Use correct input path.

climax/main/downscale.py

@@ -21,7 +21,8 @@ from climax.main.config import (ERA5_PATH, ERA5_PLEVELS, OBS_PATH, PREDICTAND,
 if __name__ == '__main__':
 
     # initialize ERA5 predictor dataset
-    Era5 = ERA5Dataset(ERA5_PATH, ERA5_VARIABLES, plevels=ERA5_PLEVELS)
+    Era5 = ERA5Dataset(ERA5_PATH.joinpath('ERA5'), ERA5_VARIABLES,
+                       plevels=ERA5_PLEVELS)
     Era5_ds = Era5.merge()
 
     # initialize OBS predictand dataset