class_docstr: Utility class for mapping between class name and id.
class_docstr_tok: ["Utility","class","for","mapping","between","class","name","and","id","."]
code: def unlock(self):
      self._lock = False
      return self
  
file_path: icevision/icevision/core/class_map.py
imports: from icevision.imports import *
label_desc: Use image node_id 8 for calling the ClassMap obj's underlying member method code with example usage: obj.unlock() and returns: self