runtime error

Traceback (most recent call last): File "app.py", line 4, in <module> import gradio File "/home/user/.local/lib/python3.8/site-packages/gradio/__init__.py", line 3, in <module> from gradio.blocks import Blocks, Column, Row, Tab File "/home/user/.local/lib/python3.8/site-packages/gradio/blocks.py", line 6, in <module> from gradio.launchable import Launchable File "/home/user/.local/lib/python3.8/site-packages/gradio/launchable.py", line 10, in <module> from gradio import encryptor, networking, queueing, strings, utils # type: ignore File "/home/user/.local/lib/python3.8/site-packages/gradio/networking.py", line 18, in <module> from gradio import queueing File "/home/user/.local/lib/python3.8/site-packages/gradio/queueing.py", line 10, in <module> from gradio.routes import QueuePushBody File "/home/user/.local/lib/python3.8/site-packages/gradio/routes.py", line 23, in <module> from jinja2.exceptions import TemplateNotFound ModuleNotFoundError: No module named 'jinja2'

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