1.updated deprecated slack api call(https://slack.com/api/im.open)

    with https://slack.com/api/conversations.open.
    2. Fixed bug on line 75 which was setting dictionary data to None
    3. changed variable name to be more desciptive on line number 59 and
    77

README.md

@@ -10,7 +10,7 @@ If you have questions open an `Issue` (preferred) or reply to the tutorial artic
 
 # Requirements
 Python 2.7+
-Edit `bot.py` on lines 7-8 to customise with your greeting and token
+Edit `bot.py` on lines 27-29 to customise with your greeting and token
 
 # Installation
 ```bash

bot.py

@@ -21,7 +21,7 @@
         TOKEN = os.environ.get('SLACK_TOKEN')
         CHANNEL_TOKEN = os.environ.get('CHANNEL_TOKEN')
         UNFURL = os.environ.get('UNFURL_LINKS')
-	RESPONSE_CHANNEL = os.environ.get('RESPONSE_CHANNEL')
+        RESPONSE_CHANNEL = os.environ.get('RESPONSE_CHANNEL')
         DEBUG_CHANNEL_ID = os.environ.get('DEBUG_CHANNEL_ID', False)
 except:
         MESSAGE = 'Manually set the Message if youre not running through heroku or have not set vars in ENV'
@@ -36,7 +36,7 @@ def is_debug_channel_join(msg):
     return msg['type'] == "member_joined_channel" and msg['channel'] == DEBUG_CHANNEL_ID and msg['channel_type'] == 'C'
 
 def is_direct_message(msg): 
-    print msg
+    print(msg)
     is_bot = False
     if 'bot_id' in msg:
         is_bot = True
@@ -56,14 +56,14 @@ def parse_join(message):
     if is_team_join(m) or is_debug_channel_join(m):
         user_id = m["user"]["id"] if is_team_join(m) else m["user"]
         logging.debug(m)
-        x = requests.get("https://slack.com/api/im.open?token="+TOKEN+"&user="+user_id)
-        x = x.json()
-        x = x["channel"]["id"]
-        logging.debug(x)
+        conversation = requests.post("https://slack.com/api/conversations.open?token=" + TOKEN + "&users=" + "UL5JGPBC2",
+                          data=None).json()
+        conversation_channel = conversation["channel"]["id"]
+        logging.debug(conversation_channel)
 
         data = {
                 'token': TOKEN,
-                'channel': x,
+                'channel': conversation_channel,
                 'text': MESSAGE,
                 'parse': 'full',
                 'as_user': 'true',
@@ -72,9 +72,9 @@ def parse_join(message):
         logging.debug(data)
 
         if (UNFURL.lower() == "false"):
-          data = data.update({'unfurl_link': 'false'})
+          data.update({'unfurl_link': 'false'})
 
-        xx = requests.post("https://slack.com/api/chat.postMessage", data=data)
+        post_message_response = requests.post("https://slack.com/api/chat.postMessage", data=data)
         logging.debug('\033[91m' + "HELLO SENT TO " + m["user"]["id"] + '\033[0m')
 
     if is_direct_message(m):