parameters: (self, mode, cbname)
docstring: Delete the trace callback for a variable.
  
          MODE is one of "r", "w", "u" for read, write, undefine.
          CBNAME is the name of the callback returned from trace_variable or trace.
docstring_summary: Delete the trace callback for a variable.
docstring_tokens: Delete the trace callback for a variable .
function: def trace_vdelete(self, mode, cbname):
          """Delete the trace callback for a variable.
  
          MODE is one of "r", "w", "u" for read, write, undefine.
          CBNAME is the name of the callback returned from trace_variable or trace.
          """
          self._tk.call("trace", "vdelete", self._name, mode, cbname)
          self._master.deletecommand(cbname)
function_tokens: def trace_vdelete ( self , mode , cbname ) : self . _tk . call ( "trace" , "vdelete" , self . _name , mode , cbname ) self . _master . deletecommand ( cbname )