diff --git a/lua/custom/null-ls.lua b/lua/custom/null-ls.lua
index 38ea617..206fcd5 100644
--- a/lua/custom/null-ls.lua
+++ b/lua/custom/null-ls.lua
@@ -1,8 +1,10 @@
 local null_ls = require("null-ls")
 local formatting = null_ls.builtins.formatting
+local diagnostics = null_ls.builtins.diagnostics
 local m = {
 	sources = {
 		formatting.stylua, -- tambahkan di bawah sini
+		diagnostics.flake8, -- tambahkan di bawah sini
 	},
 }
 return m