don't allow incomplete data when uploading videos

back/web.py

@@ -89,6 +89,8 @@ def upload():
     prof=data["prof"]
     texto1=data["texto1"]
     texto2=data["texto2"]
+    if video is None or prof is None or texto1 is None or texto2 is None:
+        return jsonify({"status":"Error, faltan datos"})
     tasks.upload_video(video,prof,texto1,texto2)
     return jsonify(ret)