# You should use this in your python code

if implementation.name == "pypy":
    from psycopg2cffi import compat

    compat.register()


if version_info < (3, 6, 0):
    raise RuntimeError(
        "Not intended to run on the Python less than '3.6.0' Got version: '%s.%s.%s'"
        % version_info[:3]
    )

if version_info < (3, 7, 0):
    try:
        import async_generator

    # from async_exit_stack import AsyncExitStack
    # from async_generator import asynccontextmanager
    except ImportError:
        raise ImportError(
            "You should install 'async_generator' package to run tests in Python 3.6"
        )
    else:
        from contextlib import asynccontextmanager