Dependecies clearing

requirements.txt

@@ -1,4 +1,3 @@
-py==1.10.0
 pytest==3.0.2
 requests==2.20.0
 wheel==0.24.0

setup.py

@@ -25,6 +25,7 @@ setup(name='pyTelegramBotAPI',
       install_requires=['requests'],
       extras_require={
           'json': 'ujson',
+          'PIL': 'Pillow',
           'redis': 'redis>=3.4.1'
       },
       classifiers=[

telebot/__init__.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import print_function
 from datetime import datetime
 
 import logging

telebot/util.py

@@ -4,16 +4,16 @@ import re
 import string
 import threading
 import traceback
-import warnings
-import functools
 from typing import Any, Callable, List, Dict, Optional, Union
 
+# noinspection PyPep8Naming
 import queue as Queue
 import logging
 
 from telebot import types
 
 try:
+    # noinspection PyPackageRequirements
     from PIL import Image
     from io import BytesIO
     pil_imported = True