Error while importing ProcessingUMEPProvider

[nonoq]

I am working in Spyder, Windows 10. Just following the instruction from documentation.

from qgis.core import QgsApplication
import sys

# Initiating a QGIS application
qgishome = 'C:/OSGeo4W64/apps/qgis/'
QgsApplication.setPrefixPath(qgishome, True)
app = QgsApplication([], False)
app.initQgis()

# import third party processing plugins
sys.path.append(r'C:\Users\ **your_username** \AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins')
from processing_umep.processing_umep_provider import ProcessingUMEPProvider

C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\IPython\utils\_process_win32.py:145: ResourceWarning: unclosed file <_io.BufferedWriter name=4>
  return process_handler(cmd, _system_body)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\IPython\utils\_process_win32.py:145: ResourceWarning: unclosed file <_io.BufferedReader name=5>
  return process_handler(cmd, _system_body)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\IPython\utils\_process_win32.py:145: ResourceWarning: unclosed file <_io.BufferedReader name=6>
  return process_handler(cmd, _system_body)
ResourceWarning: Enable tracemalloc to get the object allocation traceback

runfile('C:/Users/XYZ/.spyder-py3/temp.py', wdir='C:/Users/XYZ/.spyder-py3')
Reloaded modules: processing_umep, processing_umep.functions.wallalgorithms, processing_umep.util, processing_umep.util.misc, processing_umep.preprocessor.wall_heightaspect_algorithm, processing_umep.util.shadowingfunctions, processing_umep.functions.svf_functions, processing_umep.preprocessor.skyviewfactor_algorithm
Traceback (most recent call last):

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\pandas\core\internals\construction.py", line 568, in _list_to_arrays
    columns = _validate_or_indexify_columns(content, columns)

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\pandas\core\internals\construction.py", line 692, in _validate_or_indexify_columns
    raise AssertionError(

AssertionError: 3 columns passed, passed data had 4 columns

The above exception was the direct cause of the following exception:

Traceback (most recent call last):

  File "C:\Users\XYZ\.spyder-py3\temp.py", line 11, in <module>
    from processing_umep.processing_umep_provider import ProcessingUMEPProvider

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\Library\python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)

  File "C:\Users\XYZ\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\processing_umep\processing_umep_provider.py", line 38, in <module>
    from .preprocessor.copernicusera5_algorithm import ProcessingCopernicusERA5Algorithm

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\Library\python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)

  File "C:\Users\XYZ\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\processing_umep\preprocessor\copernicusera5_algorithm.py", line 64, in <module>
    import supy as sp

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\Library\python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)

  File "C:\Users\XYZ\AppData\Roaming\Python\Python39\site-packages\supy\__init__.py", line 12, in <module>
    from .supy_module import (init_supy, load_SampleData,

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\Library\python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)

  File "C:\Users\XYZ\AppData\Roaming\Python\Python39\site-packages\supy\supy_module.py", line 39, in <module>
    from .supy_post import pack_df_output, pack_df_output_array, pack_df_state

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\Library\python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)

  File "C:\Users\XYZ\AppData\Roaming\Python\Python39\site-packages\supy\supy_post.py", line 23, in <module>
    var_df = get_output_info_df()

  File "C:\Users\XYZ\AppData\Roaming\Python\Python39\site-packages\supy\supy_post.py", line 14, in get_output_info_df
    df_var_list = pd.DataFrame(var_list_x, columns=['var', 'group', 'aggm'])

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\pandas\core\frame.py", line 570, in __init__
    arrays, columns = to_arrays(data, columns, dtype=dtype)

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\pandas\core\internals\construction.py", line 552, in to_arrays
    return _list_to_arrays(data, columns, coerce_float=coerce_float, dtype=dtype)

  File "C:\Users\XYZ\anaconda3\envs\qgis_env\lib\site-packages\pandas\core\internals\construction.py", line 571, in _list_to_arrays
    raise ValueError(e) from e

ValueError: 3 columns passed, passed data had 4 columns

[biglimp]

I see you use Anaconda and Spyder. We have experienced version issues and environment setting issues with this before. I personally dont use Anaconda because of this. It looks like you are using Python3.9 and I know QGIS use 3.7. Your specific error seems to be due to conflicts in Pandas version. @sunt05 , do you have any ideas on how to solve this issue?

[sunt05]

this is unclear to me how the issue was triggered. Did the issue happen right after this line:

from processing_umep.processing_umep_provider import ProcessingUMEPProvider

And can you please check your installed supy version?

[nonoq]

Thank you for your comments. Based on them I check if supy was installed. It was indeed installed but importing it threw same error. I saw that supy was asking for numpy 1.20 so I downgraded my env to python 3.8.5

This resolved the issue.

Should I close the issue?

[biglimp]

Thanks for the info. Good to know. Yes lets close this.