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- """
- Unified place for determining if external dependencies are installed or not.
- You should import all external modules using the import_module() function.
- For example
- >>> from sympy.external import import_module
- >>> numpy = import_module('numpy')
- If the resulting library is not installed, or if the installed version
- is less than a given minimum version, the function will return None.
- Otherwise, it will return the library. See the docstring of
- import_module() for more information.
- """
- from sympy.external.importtools import import_module
- __all__ = ['import_module']
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