class_docstr: Class to be inherited from to add automatic update of context.
  
  The optional analysis dependencies are listed in `dependencies'.
class_docstr_tok: ["Class","to","be","inherited","from","to","add","automatic","update","of","context",".","The","optional","analysis","dependencies","are","listed","in","`","dependencies","'","."]
docstr: Create default context and save all dependencies. 
docstr_tok: ["Create","default","context","and","save","all","dependencies","."]
code: def __init__(self, *dependencies):
      """Create default context and save all dependencies."""
      self.deps = dependencies
      self.verify_dependencies()
      super(ContextManager, self).__init__()
  
imports: import gast
  import os
  import re
  from time import time
label_desc: Use image node_id 1 to create a new ContextManager object from inherited base classes: object with example: obj = ContextManager()