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        <span style="font-family:Arial;">Hi, I solved that problem by following your advice. Thanks very much. However, when I tried to load an EVLA data into AIPS by task 'BDF2AIPS', I encountered some problem. I already downloaded Obit and set it into systematic PATH. However, when I tried 'BDFLIST' it showed:</span>
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        <span style="font-family:Arial;">from OTObit import *<br>
ModuleNotFoundError: No module named 'OTObit'</span>
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                Why this happened?
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