Move genie import to usage within function

installation_and_upgrade/ibex_install_utils/ca_utils.py

@@ -1,8 +1,5 @@
 import os
 
-from genie_python.utilities import dehex_and_decompress
-
-
 class CaWrapper:
     """
     Wrapper around genie python's channel access class providing some useful abstractions.
@@ -52,6 +49,7 @@ def get_object_from_compressed_hexed_json(self, name):
         if data is None:
             return None
         else:
+            from genie_python.utilities import dehex_and_decompress
             return dehex_and_decompress(data)
 
     def get_blocks(self):