cover with try catch exception for imas-core methods

Author: prasad-sawantdesai

imas/backends/imas_core/imas_interface.py

@@ -105,8 +105,8 @@ def __init__(self, lowlevel):
                 setattr(self, method, ll_method)
 
     def _imas_not_available(self, *args, **kwargs):
-        logger.error(
-            "Some functions requires an imas installation, which is not available."
+        raise RuntimeError(
+            "This function requires an imas installation, which is not available."
         )
 
     def _minimal_version(self, minversion):

imas/command/cli.py

@@ -76,7 +76,10 @@ def print_version():
     dd_versions = ", ".join(imas.dd_zip.dd_xml_versions())
     grid.add_row("Available data dictionary versions:", dd_versions)
     grid.add_section()
-    grid.add_row("Access Layer core version:", ll_interface.get_al_version() or "N/A")
+    try:
+        grid.add_row("Access Layer core version:", ll_interface.get_al_version() or "N/A")
+    except Exception as exc:
+        grid.add_row("Access Layer core version:", "N/A")
     console.Console().print(grid)