<filename>web3_restprovider/__init__.py
from .client import RESTProvider
try:
    from .server import RESTServer
    from .proxy  import RESTProxy
except ImportError:
    pass

<filename>web3_restprovider/__init__.py
from .client import RESTProvider
try:
    from .server import RESTServer
    from .proxy  import RESTProxy
except ImportError:
    pass
