Some final pylint complaints

Author: mkavulich

tools/check_name_rules.py

@@ -25,6 +25,7 @@ def main():
                         type=str, help="XML file with standard name library")
     args = parser.parse_args()
 
+    # pylint: disable=duplicate-code
     stdname_file = os.path.abspath(args.standard_name_file)
     _, root = read_xml_file(stdname_file)
 

tools/lib/__init__.py

@@ -1,3 +1,5 @@
+"""Shared utilities for ESM Standard Names tools."""
+
 from .xml_tools import (
     call_command,
     validate_xml_file,