fix: wrongly making global variables

Author: kiyoon

lua/python_import/api.lua

@@ -6,7 +6,7 @@ local config = require "python_import.config"
 local pyright = require "python_import.pyright"
 local notify = require("python_import.notify").notify
 
-M = {}
+local M = {}
 
 ---@param winnr integer
 ---@param word string

lua/python_import/config.lua

@@ -1,4 +1,4 @@
-M = {}
+local M = {}
 
 M.opts = {}
 M.default_opts = {

lua/python_import/lookup_table.lua

@@ -1,4 +1,4 @@
-M = {}
+local M = {}
 
 -- If nothing is found, it will return `import ..` anyway.
 -- However, it might take some time to search the candidate,

lua/python_import/notify.lua

@@ -1,4 +1,4 @@
-M = {}
+local M = {}
 
 local status2, vscode = pcall(require, "vscode")
 if status2 and vscode.notify ~= nil then

lua/python_import/utils.lua

@@ -1,6 +1,6 @@
 local notify = require("python_import.notify").notify
 
-M = {}
+local M = {}
 
 ---Return line after the first comments and docstring.
 ---It iterates e.g. 50 first lines and obtains treesitter nodes to check the syntax (string or comment)