In Python, what does "i" represent in .pyi extension? "i" means interface. A PYI file contains interface definitions for Python code. It is a stub file with empty methods. PYI has same syntax as Pytho...
In Python, what does “i” represent in .pyi extension? “i” means interface. A PYI file contains interface definitions for Python code. It is a stub file with empty methods. PYI has same syntax as Python modules. They contain type hints stored with modules. Python is dynamic language. So type checking happens at runtime.
PYI format works on platforms with Python installed. These Misc Files define interfaces for 6033 file types. Most common is IBM Cognos Business Intelligence. Its official site has PYI file details.
IBM Cognos 7 PYI file was likely made by that program. To open it, update the application. Only latest version handles current PYI format. Here are tips on opening PYI files and programs that support them. Must confirm changes by clicking OK. Can also associate PYI extension with software in Windows Registry. Many unknown files have simple text.
Python
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Mypy