Fix typo

myauth/ldap.py

@@ -45,9 +45,9 @@ class LDAPConnection:
 
         password = ldap_setting("BIND_PW", "")
         if not password:
-            pwfile = ldap_setting("BIND_PW_FILE", "")
+            pw_file = ldap_setting("BIND_PW_FILE", "")
             if pw_file:
-                with open(pwfile, "r") as f:
+                with open(pw_file, "r") as f:
                     password = f.read().replace("\n", "")
             else:
                 logging.error("No bind password specified")