Fix typo

lib/ansible/inventory/script.py

@@ -63,7 +63,6 @@ class InventoryScript:
         self.host_vars_from_top = None
         self._parse(stderr)
 
-
     def _parse(self, err):
 
         all_hosts = {}
@@ -73,7 +72,7 @@ class InventoryScript:
             self.raw = self._loader.load(self.data)
         except Exception as e:
             sys.stderr.write(err + "\n")
-            raise AnsibleError("failed to parse executable inventory script results from {0}: {1}".format(to_str(self.filename_, to_str(e)))
+            raise AnsibleError("failed to parse executable inventory script results from {0}: {1}".format(to_str(self.filename), to_str(e)))
 
         if not isinstance(self.raw, Mapping):
             sys.stderr.write(err + "\n")
@@ -113,7 +112,7 @@ class InventoryScript:
                         "data for the host list:\n %s" % (group_name, data))
 
                 for hostname in data['hosts']:
-                    if not hostname in all_hosts:
+                    if hostname not in all_hosts:
                         all_hosts[hostname] = Host(hostname)
                     host = all_hosts[hostname]
                     group.add_host(host)
@@ -149,7 +148,6 @@ class InventoryScript:
             got = self.host_vars_from_top.get(host.name, {})
             return got
 
-
         cmd = [self.filename, "--host", host.name]
         try:
             sp = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
@@ -162,4 +160,3 @@ class InventoryScript:
             return json_dict_bytes_to_unicode(self._loader.load(out))
         except ValueError:
             raise AnsibleError("could not parse post variable response: %s, %s" % (cmd, out))
-