parmys file error handling

Author: amirarjmand93

vtr_flow/scripts/python_libs/vtr/parmys/parmys.py

@@ -235,7 +235,7 @@ def run(
     # Set the synlig exe script path in the environment variable(handle if it is not set or system-verilog OFF)
     try:
         os.environ["synlig_exe_path"] = str(vtr.paths.synlig_exe_path)
-    except Exception as e:
+    except KeyError as key_error:
         os.environ["synlig_exe_path"] = "/dummy/path"
 
     # set the parser