fix pylint C0103

scripts/check_links.py

@@ -123,21 +123,26 @@ def check_links(urls):
     return True
 
 
-# pylint: disable=C0103
-if __name__ == '__main__':
+def main():
+    """entry point"""
     if len(sys.argv) < 2:
         print(f'usage: {sys.argv[0]} <path>')
-        sys.exit(1)
+        return False
 
     print(f'checking {BLUE}{sys.argv[1]}{RESET} for links...')
     links = get_links(sys.argv[1])
     print(f'    found {len(links)} links')
     try:
         if not check_links(links):
-            sys.exit(1)
+            return False
     # pylint: disable=W0703
     except Exception as exc:
         print(f'error {exc}')
-        sys.exit(1)
-    sys.exit(0)
-# pylint: enable=C0103
+        return False
+    return True
+
+
+if __name__ == '__main__':
+    if main():
+        sys.exit(0)
+    sys.exit(1)