add try catch around save file

collectTweets.py

@@ -61,10 +61,14 @@ class Listener(tweepy.StreamListener):
         self.logger.info("initiate stream listener")
 
     def on_status(self, status):
-        print(status._json, file=self.output_file)
+        try:
+            print(status._json, file=self.output_file)
+        except:
+            msg = "can not save tweets in file"+str(self.output_file)
+            exitscript(logger, msg)
 
     def on_error(self, status_code):
-        logger.error("Error on stream twiter: "+str(status_code))
+        logger.error("Error on stream twitter: "+str(status_code))
         return False