allow inactive attribute to appear in configuration elements

inventory_provider/juniper.py

@@ -80,6 +80,7 @@ CONFIG_SCHEMA = """<?xml version="1.1" encoding="UTF-8" ?>
       </xs:sequence>
       <xs:attribute name="changed-seconds" type="xs:string" />
       <xs:attribute name="changed-localtime" type="xs:string" />
+      <xs:attribute name="inactive" type="xs:string" />
     </xs:complexType>
   </xs:element>