class_docstr: Chain a set of transforms: Chain(a_to_b, b_to_c) => a_to_c.
class_docstr_tok: ["Chain","a","set","of","transforms",":","Chain","(","a_to_b",",","b_to_c",")","=",">","a_to_c","."]
code: def back_pt(self, pt):
      for transform in reversed(self.transforms):
          pt = transform.back_pt(pt)
      return pt
  
imports: import numbers
  from pysc2.lib import point
label_desc: Use image node_id 5 for calling the Chain obj's underlying member method code with example usage: obj.back_pt(pt) and returns: pt