Update app.py

app.py

@@ -253,8 +253,8 @@ def generate_video():
         "equation_size": 42,
         "title_size": 48
     },
-    "slides":datalst}'''
-        '''# Now proceed with video generation using 'data'
+    "slides":datalst}
+        # Now proceed with video generation using 'data'
         print(json.dumps(data, indent=2))  # For debugging
         # ✅ Final validation
         if "slides" not in data or not data["slides"]:
@@ -351,7 +351,7 @@ def generate_video():
             output_path,
             mimetype='video/mp4',
             as_attachment=False,
-            download_name="math.mp4"
+            download_name=output_filename
         )
         
     except subprocess.TimeoutExpired: