Merge pull request #2244 from dalf/fix-drop-python2

from collections import Iterable

from collections.abc import Iterable

from json import loads

from urllib.parse import urlencode

from searx.utils import to_string

import sys

import re

import json

import importlib

from imp import load_source

from numbers import Number

from os.path import splitext, join

from io import open

    if modname in sys.modules:

        del sys.modules[modname]

    filepath = join(module_dir, filename)

    module = load_source(modname, filepath)

    module.name = modname

    # and https://docs.python.org/3/library/importlib.html#importing-a-source-file-directly

    spec = importlib.util.spec_from_file_location(modname, filepath)

    module = importlib.util.module_from_spec(spec)

    sys.modules[modname] = module

    spec.loader.exec_module(module)

    return module