Mikhail Tarabrikov

Background/Situation In the Add Python Interpreter dialog, the Base Python list offers download and install entries for recent Python releases. The list contains only releases that have an official...

Problem PyCharm runs in free mode and shows Unlock Pro at the top of the main window, although the JetBrains Account has an active license that covers PyCharm Pro, such as the All Products Pack. Dj...

Problem The PyCharm terminal shows (.venv) in the prompt, but the active virtual environment belongs to another folder, for example to another project. Scripts started from this terminal cannot fin...

Background/Situation The Structure tool window (View | Tool Windows | Structure) lists the classes, methods, and properties of the file that is open in the editor. For a Python class, many icons in...

Problem Flask cannot be used in PyCharm. There are two causes, and they produce similar symptoms. Flask cannot be selected as a project type in File | New Project, so a Flask project cannot be cre...

Problem A script started with a Docker or Docker Compose interpreter in PyCharm opens a browser or another GUI application. No window appears on the host, and manual interaction with the page is no...

Question How can I configure Black to run automatically on save in PyCharm 2026.2? Answer Starting from PyCharm 2026.2, the integration for Black has changed and its settings have been moved to a c...

Background/Situation PyCharm 2026.2 rebuilt the integration with external Python tools (Black, Ruff, mypy, Pyright). The dedicated Settings | Tools | Black page from 2026.1, including its "On save"...

Problem Running a Python script that uses matplotlib in PyCharm completes without errors, but no plot is shown: no separate plot window opens and nothing appears inside the IDE. fig.savefig() calls...

Problem After updating PyCharm or its plugins, Behave/BDD support breaks with one or more of the following symptoms: Behave run configurations appear as "Unknown" or corrupted, and the Behave run ...