class_docstr: Plain GLSL text to insert inline
class_docstr_tok: ["Plain","GLSL","text","to","insert","inline"]
code: def __init__(self, text):
      super(TextExpression, self).__init__()
      if not isinstance(text, str):
          raise TypeError("Argument must be string.")
      self._text = text
  
file_path: vispy/vispy/visuals/shaders/expression.py
imports: from .shader_object import ShaderObject
label_desc: Use image node_id 1 to create a new TextExpression object from inherited base classes: Expression with example: obj = TextExpression(text)