From 86be0566333744c98c003a0910adda86faa60e14 Mon Sep 17 00:00:00 2001
From: Martin Krizek <martin.krizek@gmail.com>
Date: Fri, 16 Nov 2018 15:02:08 +0100
Subject: [PATCH] inventory: fix hostname check (#48789)

---
 lib/ansible/inventory/data.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ansible/inventory/data.py b/lib/ansible/inventory/data.py
index 5f3ca8993fb..9143c22410a 100644
--- a/lib/ansible/inventory/data.py
+++ b/lib/ansible/inventory/data.py
@@ -189,7 +189,7 @@ class InventoryData(object):
         ''' adds a host to inventory and possibly a group if not there already '''
 
         if host:
-            if not isinstance(group, string_types):
+            if not isinstance(host, string_types):
                 raise AnsibleError("Invalid host name supplied, expected a string but got %s for %s" % (type(host), host))
             g = None
             if group: