No module named 'pyaps3'

[UserMx]

Hello everyone

      I have a problem with the example (WellsEnvD2T399)  in tropospheric correction steps. Command is (smallbaselineApp.py WellsEnvD2T399.txt), I didn't touch any options, just run. Unfortunately I received the error : 

      Error in “ModuleNotFoundError: No module named 'pyaps3'”. It cannot import pyaps module in python. 

      When I run it alone, it will also report an error. I confirm the path has been added. I'm seeking help, thank you.

      

      ps: ubuntu 16.04.5  python 3.7.7

[Yunjun Zhang]

You need to setup the $PYTHONPATH variable, it's different from $PATH, as explained here: https://github.com/insarlab/MintPy/blob/master/docs/installation.md#1-download-and-setup-mintpy

[Matt Cook]

Hi Zhang,

I also have a similar error regarding pyaps3. 

I followed the install guidelines from https://github.com/insarlab/MintPy/blob/main/docs/installation.md and I downloaded MintPY using conda. I also updated my .bashrc file to include PyAPS to my PYTHONPATH (see attached) and Mintpy is working fine but when I get to the correct_topography step it says the pyaps3 module is not installed. I've reinstalled mintpy and created the environment from scratch but I still get the same problem. I'd really appreciate any help with this. 

(mintpy) mcoo951@sc-cer00279:~/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/mintpy$ smallbaselineApp.py input.txt --dostep correct_troposphere

MintPy release version v1.3.0-34, release date 2021-05-22

--RUN-at-2021-05-26 19:54:19.042344--

Current directory: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/mintpy

Run routine processing with smallbaselineApp.py on steps: ['correct_troposphere']

Remaining steps: ['deramp', 'correct_topography', 'residual_RMS', 'reference_date', 'velocity', 'geocode', 'google_earth', 'hdfeos5']

--------------------------------------------------

Project name: input

Go to work directory: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/mintpy

read custom template file: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/mintpy/input.txt

update default template based on input custom template

    mintpy.load.metaFile: /home/mcoo951/ressci201900043-insar-data/Vault/wallis/reference/IW\*.xml --> /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/reference/IW*.xml

    mintpy.load.unwFile: /home/mcoo951/ressci201900043-insar-data/Vault/wallis/merged/interferograms/\*/filt_\*.unw --> /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/merged/interferograms/*/filt_*.unw

    mintpy.load.corFile: /home/mcoo951/ressci201900043-insar-data/Vault/wallis/merged/interferograms/\*/filt_\*.cor --> /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/merged/interferograms/*/filt_*.cor

    mintpy.load.connCompFile: /home/mcoo951/ressci201900043-insar-data/Vault/wallis/merged/interferograms/\*/filt_\*.unw.conncomp --> /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/merged/interferograms/*/filt_*.unw.conncomp

    mintpy.load.azOffFile: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/coreg_secondarys/\*/IW1/azimuth_\*.off --> auto

    mintpy.load.rgOffFile: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/coreg_secondarys/\*/IW1/range_\*.off --> auto

copy smallbaselineApp.cfg to inputs   directory for backup.

copy smallbaselineApp.cfg to pic      directory for backup.

read default template file: /home/mcoo951/ressci201900043-insar-data/isce/Projects/mintpy/Richardson/mintpy/smallbaselineApp.cfg

******************** step - correct_troposphere ********************

Atmospheric correction using Weather Re-analysis dataset (PyAPS, Jolivet et al., 2011)

Weather Re-analysis dataset: ERA5

Traceback (most recent call last):

  File "/data/MintPy/MintPy/mintpy/tropo_pyaps3.py", line 20, in <module>

    import pyaps3 as pa

ModuleNotFoundError: No module named 'pyaps3'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/data/MintPy/MintPy/mintpy/smallbaselineApp.py", line 1255, in <module>

    main(sys.argv[1:])

  File "/data/MintPy/MintPy/mintpy/smallbaselineApp.py", line 1237, in main

    app.run(steps=inps.runSteps)

  File "/data/MintPy/MintPy/mintpy/smallbaselineApp.py", line 1053, in run

    self.run_tropospheric_delay_correction(sname)

  File "/data/MintPy/MintPy/mintpy/smallbaselineApp.py", line 807, in run_tropospheric_delay_correction

    from mintpy import tropo_pyaps3

  File "/data/MintPy/MintPy/mintpy/tropo_pyaps3.py", line 22, in <module>

    raise ImportError('Cannot import pyaps3!')

ImportError: Cannot import pyaps3!

Thanks a lot,

Matt

[Russell Grew]

Hi Matt,

Assuming you did the clone of pyaps and have restarted your bash shell, and so on, I think you have a typo in your ~/.bashrc file such that MintPY should be MintPy on the last line.

Cheers.

[Matt Cook]

Ahh yes thats done the trick. Thanks for the keen eye Russell!!