no default severity in post_event()

Author: 03cranec

README.md

@@ -281,14 +281,14 @@ A dictionary showing the updated details of the capture. Use the `status` field
 **Example**  
 [examples/create_sysdig_capture.py](examples/create_sysdig_capture.py).  
 
-#### `post_event(self, name, description=None, severity=6, event_filter=None, tags=None)`
+#### `post_event(self, name, description=None, severity=None, event_filter=None, tags=None)`
 **Description**  
 You can use this method you use to send an event to Sysdig Cloud. The events you post are available in the Events tab in the Sysdig Cloud UI and can be overlied to charts.  
 **Arguments**  
 - **name**: the name of the new event.  
 - **description**: a longer description offering detailed information about the event.
-- **severity**: severity, syslog style (from 0 to 7).
-- **event_filter**: a Sysdig Cloud filter thet can be used for filtering/segmenting purposes in Sysdig Cloud, e.g. `host.hostName = 'ip-10-1-1-1'`.
+- **severity**: syslog style from 0 (high) to 7 (low).
+- **event_filter**: metadata, in Sysdig Cloud format, of nodes to associate with the event, e.g. `host.hostName = 'ip-10-1-1-1' and container.name = 'foo'`.
 - **tags**: a list of key-value dictionaries that can be used to tag the event. Can be used for filtering/segmenting purposes in Sysdig Cloud.
 
 **Success Return Value**  

sdcclient/_client.py

@@ -514,16 +514,18 @@ def delete_dashboard(self, dashboard):
 
         return [True, None]
 
-    def post_event(self, name, description=None, severity=6, event_filter=None, tags=None):
+    def post_event(self, name, description=None, severity=None, event_filter=None, tags=None):
         edata = {
             'event': {
-                'name': name,
-                'severity': severity
+                'name': name
                 }
             }
 
         if description is not None:
             edata['event']['description'] = description
+            
+        if severity is not None:
+            edata['event']['severity'] = severity
 
         if event_filter is not None:
             edata['event']['filter'] = event_filter