class_docstr: Step for stacking arrays along the columns.
  
  Parameters
  ----------
  name
      Name of the step (optional). If no name is passed, a name will be
      automatically generated.
class_docstr_tok: ["Step","for","stacking","arrays","along","the","columns",".","Parameters","--","--","--","--","--","name","Name","of","the","step","(","optional",")",".","If","no","name","is","passed",",","a","name","will","be","automatically","generated","."]
code: def __init__(self, name=None):
      super().__init__(name=name)
  
file_path: baikal/baikal/steps/merge.py
imports: import numpy
  from baikal.steps import Step
  from baikal._core.utils import listify
label_desc: Use image node_id 1 to create a new ColumnStack object from inherited base classes: Step with example: obj = ColumnStack(name)