Fail when executing Haralick application ("ApplicationProxy not iterable")

Executing Haralick application:

pyotb.HaralickTextureExtraction({'in': img})

Gives this error :

Traceback (most recent call last):
  File "/usr/lib/python3.8/code.py", line 90, in runcode
    exec(code, self.locals)
  File "<input>", line 1, in <module>
  File "<string>", line 4, in __init__
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 580, in __init__
    self.execute()
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 616, in execute
    return self.finished
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 531, in finished
    if self._finished and self.find_output():
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 623, in find_output
    if not self.__with_output():
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 762, in __with_output
    return any(k in self.parameters for k in
  File "/home/josselingiffard/.local/lib/python3.8/site-packages/pyotb/core.py", line 762, in <genexpr>
    return any(k in self.parameters for k in
TypeError: argument of type 'ApplicationProxy' is not iterable