PEP-8 clean-up.

examples/echo_bot.py

@@ -7,6 +7,7 @@ API_TOKEN = '<api_token>'
 
 bot = telebot.TeleBot(API_TOKEN)
 
+
 # Handle '/start' and '/help'
 @bot.message_handler(commands=['help, start'])
 def send_welcome(message):
@@ -15,6 +16,7 @@ Hi there, I am EchoBot.
 I am here to echo your kind words back to you. Just say anything nice and I'll say the exact same thing to you!\
 """)
 
+
 # Handle all other messages with content_type 'text' (content_types defaults to ['text'])
 @bot.message_handler(func=lambda message: True)
 def echo_message(message):
@@ -23,4 +25,4 @@ def echo_message(message):
 bot.polling()
 
 while True:
-    pass
+    pass