Catch exception when retrieving current activity

plexpy/webserve.py

@@ -3738,6 +3738,7 @@ class WebInterface(object):
                      }
             ```
         """
+        try:
             pms_connect = pmsconnect.PmsConnect(token=plexpy.CONFIG.PMS_TOKEN)
             result = pms_connect.get_current_activity()
 
@@ -3751,6 +3752,8 @@ class WebInterface(object):
                 return result
             else:
                 logger.warn(u"Unable to retrieve data for get_activity.")
+        except Exception as e:
+            logger.exception(u"Unable to retrieve data for get_activity: %s" % e)
 
     @cherrypy.expose
     @cherrypy.tools.json_out()