Add return value

posts.py

@@ -1287,8 +1287,10 @@ def createEventPost(baseDir: str,
     """Mobilizon-type Event post
     """
     if not attachImageFilename:
+        print('Event has no attached image')
         return None
     if not category:
+        print('Event has no category')
         return None
     domainFull = domain
     if port:
@@ -1305,7 +1307,7 @@ def createEventPost(baseDir: str,
     if followersOnly:
         toStr1 = toStr2
         toStr2 = None
-    createPostBase(baseDir, nickname, domain, port,
+    return createPostBase(baseDir, nickname, domain, port,
                           toStr1, toStr2,
                           httpPrefix, content, followersOnly, saveToFile,
                           clientToServer, commentsEnabled,