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

def get_env():
    """
    Return the Capitalize environment name
    It can be used to retrieve class base config
    Default: Development
    :returns: str
    """
    env = "Development"
    if _env_key in os.environ:
        env = os.environ[_env_key].lower().capitalize()
    return env