Return the Capitalize environment name
    It can be used to retrieve class base config
    Default: Development
    :returns: str Capitalized

def get_env():
    """
    Return the Capitalize environment name
    It can be used to retrieve class base config
    Default: Development
    :returns: str Capitalized
    """
    if not __ENV__:
        env = os.environ["env"] if "env" in os.environ else "Dev"
        set_env(env)
    return __ENV__