Getting error base64.encodestring() is deprecated while importing products

[mariogustavoorrillo]

2022-06-27 20:22:20,540 47495 WARNING prueba1 py.warnings: /opt/odoo15/sources/meli_oerp/models/product.py:988: DeprecationWarning: encodestring() is a deprecated alias since 3.1, use encodebytes()
File "/usr/lib/python3.8/threading.py", line 890, in _bootstrap
self._bootstrap_inner()
File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner
self.run()
File "/usr/lib/python3.8/threading.py", line 870, in run
self._target(*self._args, **self._kwargs)
File "/opt/odoo15/odoo/odoo/service/server.py", line 1062, in _runloop
self.process_work()
File "/opt/odoo15/odoo/odoo/service/server.py", line 1101, in process_work
self.process_request(client, addr)
File "/opt/odoo15/odoo/odoo/service/server.py", line 1092, in process_request
self.server.process_request(client, addr)
File "/usr/lib/python3.8/socketserver.py", line 347, in process_request
self.finish_request(request, client_address)
File "/usr/lib/python3.8/socketserver.py", line 360, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python3.8/socketserver.py", line 747, in init
self.handle()
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/serving.py", line 329, in handle
rv = BaseHTTPRequestHandler.handle(self)
File "/usr/lib/python3.8/http/server.py", line 427, in handle
self.handle_one_request()
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/serving.py", line 364, in handle_one_request
return self.run_wsgi()
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/serving.py", line 306, in run_wsgi
execute(self.server.app)
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/serving.py", line 294, in execute
application_iter = app(environ, start_response)
File "/opt/odoo15/odoo/odoo/service/wsgi_server.py", line 110, in application
return ProxyFix(application_unproxied)(environ, start_response)
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/middleware/proxy_fix.py", line 232, in call
return self.app(environ, start_response)
File "/opt/odoo15/odoo/odoo/service/wsgi_server.py", line 87, in application_unproxied
result = odoo.http.root(environ, start_response)
File "/opt/odoo15/odoo/odoo/http.py", line 1336, in call
return self.dispatch(environ, start_response)
File "/opt/odoo15/odoo/odoo/http.py", line 1302, in call
return self.app(environ, start_wrapped)
File "/opt/odoo15/odoo-venv/lib/python3.8/site-packages/werkzeug/middleware/shared_data.py", line 220, in call
return self.app(environ, start_response)
File "/opt/odoo15/odoo/odoo/http.py", line 1531, in dispatch
result = ir_http._dispatch()
File "/opt/odoo15/odoo/addons/website_sale/models/ir_http.py", line 15, in _dispatch
return super(IrHttp, cls)._dispatch()
File "/opt/odoo15/odoo/addons/website/models/ir_http.py", line 198, in _dispatch
response = super(Http, cls)._dispatch()
File "/opt/odoo15/odoo/addons/auth_signup/models/ir_http.py", line 19, in _dispatch
return super(Http, cls)._dispatch()
File "/opt/odoo15/odoo/addons/web_editor/models/ir_http.py", line 21, in _dispatch
return super(IrHttp, cls)._dispatch()
File "/opt/odoo15/odoo/addons/utm/models/ir_http.py", line 29, in _dispatch
response = super(IrHttp, cls)._dispatch()
File "/opt/odoo15/odoo/addons/http_routing/models/ir_http.py", line 519, in _dispatch
result = super(IrHttp, cls)._dispatch()
File "/opt/odoo15/odoo/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
result = request.dispatch()
File "/opt/odoo15/odoo/odoo/http.py", line 687, in dispatch
result = self._call_function(**self.params)
File "/opt/odoo15/odoo/odoo/http.py", line 359, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/opt/odoo15/odoo/odoo/service/model.py", line 94, in wrapper
return f(dbname, *args, **kwargs)
File "/opt/odoo15/odoo/odoo/http.py", line 348, in checked_call
result = self.endpoint(*a, **kw)
File "/opt/odoo15/odoo/odoo/http.py", line 916, in call
return self.method(*args, **kw)
File "/opt/odoo15/odoo/odoo/http.py", line 535, in response_wrap
response = f(*args, **kw)
File "/opt/odoo15/odoo/addons/web/controllers/main.py", line 1351, in call_button
action = self._call_kw(model, method, args, kwargs)
File "/opt/odoo15/odoo/addons/web/controllers/main.py", line 1339, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/opt/odoo15/odoo/odoo/api.py", line 464, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "/opt/odoo15/odoo/odoo/api.py", line 451, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/opt/odoo15/sources/meli_oerp/models/product_post.py", line 476, in product_template_import
res = company.product_meli_get_products(context=custom_context)
File "/opt/odoo15/sources/meli_oerp/models/company.py", line 772, in product_meli_get_products
productcreated.product_meli_get_product()
File "/opt/odoo15/sources/meli_oerp/models/product.py", line 1806, in product_meli_get_product
product._meli_set_images_x(product_template=product_template, pictures=pictures, rjson=rjson)
File "/opt/odoo15/sources/meli_oerp/models/product.py", line 1097, in _meli_set_images_x
variant._meli_set_image_xy( picture_hash=picture_hash, variations_hash=variations_hash, meli=meli, config=config )
File "/opt/odoo15/sources/meli_oerp/models/product.py", line 988, in _meli_set_image_xy
image_base64 = base64.encodestring(image)