The script searches for image files in other directory

Hello,
yesterday I updated from May version of sikuli to the new one and the scripts that were running before begin to fail. Right now my problem is that during test case execution it looks for image files not in its home directory, but in other one:

I've got a file structure
c:\test\sikuli\bin <- here are .jars and runIDE.cmd
c:\test\sikuli\bin\libs <- sikuli created directory with dlls
c:\test\sikuli\testcases <- the folder containing all the testcases as *.sikuli folders:
...\setup.sikuli
...\constants.sikuli
...\mytestcase.sikuli
...\mytestcase.sikuli\image.png

mytestcase text:
====
libPath="c:\\test\\sikuli\\testcases\\" <- had to import these 3 lines after sikuli update, because it refused to see modules anymore, though they're in the same folder
if not libPath in sys.path:
    sys.path.append(libPath)
import setup
import constants

def someFunction(param):
    click(constants.butOK)
    click(wait("image.png")) <- the error happens here
    return 0

setup.doLogin()
someFunction("someValue")
exit(0)
====

When I run it, it calls someFunction, goes up to the marked line and crashes with error:
[error] image.png looks like a file, but not on disk. Assume it's text.
[error] Region.find(text): text search is currently switched off
[error] script [ mytestcase ] stopped with error in line 13
[error] FindFailed ( Text search currently switched off )

so it doesn't see the image file in its own directory. However, when I copy that file into c:\test\sikuli\testcases\setup.sikuli\, the script starts to work correctly! This happens now with every script I have

Please advice, what's done wrong? I cannot move the images from all the scripts into one folder, there's tons of them