docs: def snake_to_camel(snake_str):
      '''
      Convert `snake_str` from snake_case to camelCase
      '''
      components = snake_str.split('_')
      if len(components) > 1:
          camel = (components[0].lower() +
                   ''.join(x.title() for x in components[1:]))
          return camel
      # Not snake_case
      return snake_str