made app.py better

.gitignore

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+venv

requirements.txt

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+aiofiles==23.2.1
+aiohttp==3.8.5
+aiosignal==1.3.1
+altair==5.0.1
+annotated-types==0.5.0
+anyio==3.7.1
+async-timeout==4.0.3
+attrs==23.1.0
+certifi==2023.7.22
+charset-normalizer==3.2.0
+click==8.1.6
+contourpy==1.1.0
+cycler==0.11.0
+exceptiongroup==1.1.2
+fastapi==0.101.0
+ffmpy==0.3.1
+filelock==3.12.2
+fonttools==4.42.0
+frozenlist==1.4.0
+fsspec==2023.6.0
+gradio==3.40.1
+gradio_client==0.4.0
+h11==0.14.0
+httpcore==0.17.3
+httpx==0.24.1
+huggingface-hub==0.16.4
+idna==3.4
+importlib-resources==6.0.1
+Jinja2==3.1.2
+jsonschema==4.19.0
+jsonschema-specifications==2023.7.1
+kiwisolver==1.4.4
+linkify-it-py==2.0.2
+markdown-it-py==2.2.0
+MarkupSafe==2.1.3
+matplotlib==3.7.2
+mdit-py-plugins==0.3.3
+mdurl==0.1.2
+multidict==6.0.4
+numpy==1.25.2
+orjson==3.9.4
+packaging==23.1
+pandas==2.0.3
+Pillow==10.0.0
+pydantic==2.1.1
+pydantic_core==2.4.0
+pydub==0.25.1
+pyparsing==3.0.9
+python-dateutil==2.8.2
+python-multipart==0.0.6
+pytz==2023.3
+PyYAML==6.0.1
+referencing==0.30.2
+requests==2.31.0
+rpds-py==0.9.2
+semantic-version==2.10.0
+six==1.16.0
+sniffio==1.3.0
+starlette==0.27.0
+toolz==0.12.0
+tqdm==4.66.1
+tree-sitter==0.20.1
+tree-sitter-languages==1.7.0
+typing_extensions==4.7.1
+tzdata==2023.3
+uc-micro-py==1.0.2
+urllib3==2.0.4
+uvicorn==0.23.2
+websockets==11.0.3
+yarl==1.9.2