Update app.py

app.py

@@ -100,7 +100,7 @@ def convert_video(video_file, quality, aspect_ratio, video_url):
     html = ""
     for path in output_paths:
         if path.suffix in ['.mp4', '.webm', '.ogg']:
-            html += f'<p><video width="320" height="240" controls><source src="http://localhost:5000/files/{path.name}" type="video/{path.suffix.lstrip('.')}">Your browser does not support the video tag.</video></p>'
+            html += f'<p><video width="320" height="240" controls><source src="http://localhost:5000/files/{path.name}" type="video/{path.suffix.lstrip(".")}">Your browser does not support the video tag.</video></p>'
         elif path.suffix == '.txt':
             with open(path, 'r') as file:
                 text_content = file.read()