Update function test for Python and run gulp

plugins/autoloader/prism-autoloader.js

@@ -4,7 +4,7 @@
 	}
 
 	// The dependencies map is built automatically with gulp
-	var lang_dependencies = /*languages_placeholder[*/{"javascript":"clike","actionscript":"javascript","arduino":"cpp","aspnet":"markup","bison":"c","c":"clike","csharp":"clike","cpp":"c","coffeescript":"javascript","crystal":"ruby","css-extras":"css","d":"clike","dart":"clike","django":"markup","fsharp":"clike","glsl":"clike","go":"clike","groovy":"clike","haml":"ruby","handlebars":"markup","haxe":"clike","pug":"javascript","java":"clike","jolie":"clike","kotlin":"clike","less":"css","markdown":"markup","n4js":"javascript","nginx":"clike","objectivec":"c","opencl":"cpp","parser":"markup","php":"clike","php-extras":"php","processing":"clike","protobuf":"clike","qore":"clike","jsx":["markup","javascript"],"reason":"clike","ruby":"clike","sass":"css","scss":"css","scala":"java","smarty":"markup","swift":"clike","textile":"markup","twig":"markup","typescript":"javascript","vbnet":"basic","wiki":"markup"}/*]*/;
+	var lang_dependencies = /*languages_placeholder[*/{"javascript":"clike","actionscript":"javascript","arduino":"cpp","aspnet":"markup","bison":"c","c":"clike","csharp":"clike","cpp":"c","coffeescript":"javascript","crystal":"ruby","css-extras":"css","d":"clike","dart":"clike","django":"markup","fsharp":"clike","glsl":"clike","go":"clike","groovy":"clike","haml":"ruby","handlebars":"markup","haxe":"clike","java":"clike","jolie":"clike","kotlin":"clike","less":"css","markdown":"markup","n4js":"javascript","nginx":"clike","objectivec":"c","opencl":"cpp","parser":"markup","php":"clike","php-extras":"php","processing":"clike","protobuf":"clike","pug":"javascript","qore":"clike","jsx":["markup","javascript"],"reason":"clike","ruby":"clike","sass":"css","scss":"css","scala":"java","smarty":"markup","swift":"clike","textile":"markup","twig":"markup","typescript":"javascript","vbnet":"basic","wiki":"markup"}/*]*/;
 
 	var lang_data = {};
 

tests/languages/python/function_feature.test

@@ -1,13 +1,15 @@
 def Foo(
 def foo_bar_42(
 def _(
+def foo_ ()
 
 ----------------------------------------------------
 
 [
 	["keyword", "def"], ["function", "Foo"], ["punctuation", "("],
 	["keyword", "def"], ["function", "foo_bar_42"], ["punctuation", "("],
-	["keyword", "def"], ["function", "_"], ["punctuation", "("]
+	["keyword", "def"], ["function", "_"], ["punctuation", "("],
+	["keyword", "def"], ["function", "foo_"], ["punctuation", "("], ["punctuation", ")"]
 ]
 
 ----------------------------------------------------