Due to the extensive usage of this framework by a number of people daily, those modules which require API keys are no longer working due to the fact that the daily quota of the account is getting exhausted. You can sign up on Censys and Shodan, and get your own API keys with which you can continue using this framework's modules.
Shodan API key which was already bundled with this framework has now been rendered invalid due to the high amount of traffic to the API endpoints. You'll have to use your own API key from now on.
Due to the extensive usage of this framework by a number of people daily, those modules which require API keys are no longer working due to the fact that the daily quota of the account is getting exhausted. You can sign up on Censys and Shodan, and get your own API keys with which you can continue using this framework's modules.