from pathlib import Path
import os

dirs_to_match = ['33','28']
# dirs_to_match = ['foo','bar']

start_dir = '~/MR_DATA/20180207_ket'
matches = []
for root, dirs, files in os.walk(Path(start_dir).expanduser().absolute()):
    for d in dirs:
        if d in dirs_to_match:
            matches.append(Path(root)/d)

print(matches)

[PosixPath('/home/virtualfelix/MR_DATA/20180207_ket/28'), PosixPath('/home/virtualfelix/MR_DATA/20180207_ket/33')]

import convert_bruker_func.py as convert2dseq

for elements in matches:
    convert2dseq(elements)

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-58-ea511db08ea6> in <module>()
----> 1 import convert_bruker_func.py as convert2dseq
      2
      3 for elements in matches:
      4     convert2dseq(elements)

~/MR_DATA/linuxscripts/Python/convert_bruker_func.py in <module>()
     98
     99
--> 100 main()

TypeError: main() missing 1 required positional argument: 'cwd'