Cython directive 'language_level' not set, using 2 for now (Py2) code example
Example: Cython directive 'language_level' not set
extensions = cythonize(extensions, compiler_directives={'language_level' : "3"})) # or "2" or "3str"extensions = cythonize(extensions, compiler_directives={'language_level' : "3"})) # or "2" or "3str"