WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the buffer via pywebio.output.put_image(): import matplotlib import user in production environment (start_server(debug=False), the default set- ting). Bug fix • Fix memory leak after close session (#545) 4.10.2 What’s new in PyWebIO 1.7 2022/10/17 Highlights • add

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the buffer via pywebio.output.put_image(): import matplotlib import user in production environment (start_server(debug=False), the default set- ting). Bug fix • Fix memory leak after close session (#545) v1.8.1 (2023/4/16) • fix (#568) global config(title) don’t work

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the buffer via pywebio.output.put_image(): import matplotlib import user in production environment (start_server(debug=False), the default set- ting). Bug fix • Fix memory leak after close session (#545) v1.8.1 (2023/4/16) • fix (#568) global config(title) don’t work

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the actions(buttons=["Continue"]) import numpy as np import pandas to user in production environment (start_server(debug=False), the default setting). Bug fix Fix memory leak after close session (#545 [https://github.com/pywebio/PyWebIO/pull/545]) v1.8.1 (2023/4/16)

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the actions(buttons=["Continue"]) import numpy as np import pandas to user in production environment (start_server(debug=False), the default setting). Bug fix Fix memory leak after close session (#545 [https://github.com/pywebio/PyWebIO/pull/545]) v1.8.1 (2023/4/16)

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle matplotlib.pyplot.show(), to show matplotlib figure in PyWebIO, you need to save the figure to in-memory buffer fist and then output the actions(buttons=["Continue"]) import numpy as np import pandas to user in production environment (start_server(debug=False), the default setting). Bug fix Fix memory leak after close session (#545 [https://github.com/pywebio/PyWebIO/pull/545]) What’s new in PyWebIO

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle Output Matplotlib figure Simply do not call matplotlib.pyplot.show, directly save the figure to in-memory buffer and output the buffer via pywebio.output.put_image(): import matplotlib import matplotlib

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle Output Matplotlib figure Simply do not call matplotlib.pyplot.show, directly save the figure to in-memory buffer and output the buffer via pywebio.output.put_image(): import matplotlib import matplotlib

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle Output Matplotlib figure Simply do not call matplotlib.pyplot.show, directly save the figure to in-memory buffer and output the buffer via pywebio.output.put_image(): import matplotlib import matplotlib

WSGI/ASGI servers such as uWSGI, Gunicorn, and Uvicorn. Since PyWebIO applications store session state in memory of process, when you use HTTP-based sessions (Flask and Django) and spawn multiple workers to handle Output Matplotlib figure Simply do not call matplotlib.pyplot.show, directly save the figure to in-memory buffer and output the buffer via pywebio.output.put_image(): import matplotlib import matplotlib