1from .cbackend import generate_c 

2 

3__all__ = ['generate_c'] 

4try: 

5 from .dot import print_dot # NOQA 

6 __all__.append('print_dot') 

7except ImportError: 

8 pass 

9 

10try: 

11 from .llvm import generate_llvm # NOQA 

12 __all__.append('generate_llvm') 

13except ImportError: 

14 pass