Update app.py

app.py

@@ -3,11 +3,13 @@ import time
 import tempfile
 import google.generativeai as genai
 import requests
-from flask import Flask, request, render_template, send_from_directory, url_for, flash
+from flask import Flask, request, render_template, send_from_directory, url_for, jsonify
 from moviepy.video.io.VideoFileClip import VideoFileClip
 from moviepy.audio.io.AudioFileClip import AudioFileClip
+from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
 from pydub import AudioSegment
 from werkzeug.utils import secure_filename
+from google.generativeai.types import HarmCategory, HarmBlockThreshold
 
 # --- 1. INITIALIZE FLASK APP AND LOAD SECRETS ---
 app = Flask(__name__)