Updated to reflect new Toolboxes sub-package name

examples/antenna_like_GSSI_1500_fs.py

@@ -1,7 +1,7 @@
 from pathlib import Path
 
 import gprMax
-from user_libs.GPRAntennaModels.GSSI import antenna_like_GSSI_1500
+from examples.GPRAntennaModels.GSSI import antenna_like_GSSI_1500
 
 # File path for output
 fn = Path(__file__)