Removed superfluous whitespace and fixed other linter warnings

ldap.py

@@ -7,7 +7,7 @@ if 'LDAP_HOST' in config:
 	import ldap3
 
 	def ldapauth(user, password): # pylint: disable=function-redefined
-		if(LDAP_USERRE.search(user)):
+		if LDAP_USERRE.search(user):
 			return {}, []
 		try:
 			server = ldap3.Server(config['LDAP_HOST'], port=config['LDAP_PORT'], use_ssl=True)
@@ -27,7 +27,7 @@ else:
 	}
 
 	def ldapauth(user, password): # pylint: disable=function-redefined
-		if(LDAP_USERRE.search(user)):
+		if LDAP_USERRE.search(user):
 			return {}, []
 		if config.get('DEBUG') and user in NOTLDAP and password == NOTLDAP[user][0]:
 			return NOTLDAP[user][2], NOTLDAP[user][1]