Jack tileman questions

• Sendgrid error - ValueError('Please use a To, Cc or Bcc object.',)
• How to upload a blob (image) into a google sheet using google sheet api v 4
• Is there a maximum character length for a document.id (auto-generated) in firestore python google cloud
• Google app engine deployment fails- Error while finding module specification for 'pip' (AttributeError: module '__main__' has no attribute '__file__')
• invalidateLayout with invalidateSupplementaryElements and UICollectionViewLayoutInvalidationContext

Jack tileman answers