code: def get_hubs(self):
          
          # Use helm to get a list of hubs.
          output = helm(
              'list',
              '-q'
          )
          # Check if an error occurred.
          if output.returncode != 0:
              print("Something went wrong!")
              print(output.stderr)
          else:
              hubs = output.stdout.split()
              return hubs
docs: Get a list of hubs names.
          
          Returns
          -------
          hubs : list
              List of hub names