title: Python - AWS Lambda Function - Could not satisfied requirement
body: <p>I am just starting using AWS Lambda functions, and I come across this situation. I have the most basic python lambda function ( the Hello-World example ) generated from using <code>sam init</code> and when I use <code>sam build</code> I am receiving this error message :</p>
  <p>'
  Build Failed
  Error: PythonPipBuilder:ResolveDependencies - Could not satisfy the requirement: requests
  '</p>
  <p>The requirements.txt file contains only : <code>requests</code> and the tutorial used is here :
  <a href="https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-getting-started-hello-world.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-getting-started-hello-world.html</a></p>
  <p>Please, help me with this situation.</p>
  <p>Thank you!</p>