Merge PR #52 Scenario: add delete method

from enhancement/dss70-delete-scenario

Author: instanceofme

dataikuapi/dss/scenario.py

@@ -156,6 +156,13 @@ def get_average_duration(self, limit=3):
             return None
         return sum([run.get_duration() for run in last_runs]) / len(last_runs)
 
+    def delete(self):
+        """
+        Deletes this scenario
+        """
+        return self.client._perform_json(
+            "DELETE", "/projects/%s/scenarios/%s" % (self.project_key, self.id))
+
     ########################################################
     # Discussions
     ########################################################