code: def check_venv(self):
          
          if self.zappa:
              venv = self.zappa.get_current_venv()
          else:
              # Just for `init`, when we don't have settings yet.
              venv = Zappa.get_current_venv()
          if not venv:
              raise ClickException(
                  click.style("Zappa", bold=True) + " requires an " + click.style("active virtual environment", bold=True, fg="red") + "!\n" +
                  "Learn more about virtual environments here: " + click.style("http://docs.python-guide.org/en/latest/dev/virtualenvs/", bold=False, fg="cyan"))
docs: Ensure we're inside a virtualenv.