Very small code cleanup.

feediverse.py

@@ -74,8 +74,8 @@ def get_feed(feed_url, last_update):
 def get_entry(entry):
     hashtags = []
     for tag in entry.get('tags', []):
-        for t in tag['term'].split(' '):
+        for t in tag['term'].split():
-            hashtags.append('#{}'.format(t))
+            hashtags.append('#' + t)
     summary = entry.get('summary', '')
     return {
         'url': entry.id,