docs: def _pip_search(stdout, stderr):
          """Callback for pip search."""
          result = {}
          lines = to_text_string(stdout).split('\n')
          while '' in lines:
              lines.remove('')
  
          for line in lines:
              if ' - ' in line:
                  parts = line.split(' - ')
                  name = parts[0].strip()
                  description = parts[1].strip()
                  result[name] = description
  
          return result