parameters: ()
return_statement: return _use_c
docstring: Is the C extension installed?
  
      .. versionadded:: 1.9
docstring_summary: Is the C extension installed?
docstring_tokens: Is the C extension installed?
function: def has_c():
      """Is the C extension installed?
  
      .. versionadded:: 1.9
      """
      return _use_c
function_tokens: def has_c ( ) : return _use_c