anchor.diff:  var
     Num: Int64;
   begin
  -  with AppPython.Engine do
  +  with FEngine do
     begin
       if S='' then
         Result:= ReturnNone
  
positive.code: var
    Obj: PPyObject;
  begin
    with AppPython.Engine do
    begin
      Obj:= MethodEval(AObject, AMethod, AParams);
      if Assigned(Obj) then
  
negative.code:   i,UnnamedCount:integer;
  begin
    Result:=nil;
    if FEngine=nil then exit;
    with FEngine do
    begin
      Module:=ImportModuleCached(AModule);
      if Assigned(Module) then
  