JSONDecodeError for many conda commands

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1

Hi, when I try to run conda info, conda list, conda env list, or conda install packagename, the following error appears:

Traceback (most recent call last):
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exception_handler.py", line 17, in __call__
    return func(*args, **kwargs)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/cli/main.py", line 54, in main_subshell
    parser = generate_parser(add_help=True)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/cli/conda_argparse.py", line 115, in generate_parser
    configure_parser_create(sub_parsers)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/cli/conda_argparse.py", line 767, in configure_parser_create
    add_parser_solver(solver_mode_options)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/cli/conda_argparse.py", line 1975, in add_parser_solver
    solver.name for solver in context.plugin_manager.get_hook_results("solvers")
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/base/context.py", line 492, in plugin_manager
    from ..plugins.manager import get_plugin_manager
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/plugins/__init__.py", line 28, in <module>
    from .hookspec import hookimpl  # noqa: F401
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/plugins/hookspec.py", line 16, in <module>
    from .types import (
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/plugins/types.py", line 15, in <module>
    from ..core.solve import Solver
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/core/solve.py", line 30, in <module>
    from ..exceptions import (
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exceptions.py", line 16, in <module>
    from requests.exceptions import JSONDecodeError
ImportError: cannot import name 'JSONDecodeError' from 'requests.exceptions' (/home/crowdbot/.local/lib/python3.8/site-packages/requests/exceptions.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/crowdbot/miniconda3/bin/conda", line 13, in <module>
    sys.exit(main())
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/cli/main.py", line 109, in main
    return conda_exception_handler(main, *args, **kwargs)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exception_handler.py", line 389, in conda_exception_handler
    return_value = exception_handler(func, *args, **kwargs)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exception_handler.py", line 20, in __call__
    return self.handle_exception(exc_val, exc_tb)
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exception_handler.py", line 52, in handle_exception
    from .exceptions import (
  File "/home/crowdbot/miniconda3/lib/python3.8/site-packages/conda/exceptions.py", line 16, in <module>
    from requests.exceptions import JSONDecodeError
ImportError: cannot import name 'JSONDecodeError' from 'requests.exceptions' (/home/crowdbot/.local/lib/python3.8/site-packages/requests/exceptions.py)

conda activate envname still works thought.
This problem seems to appear after I upgrade the conda. I am backup the how minicoda file for potential reinstall. It would be great is someone could provide some hints to solve this issue. Thank you!

2

The issue is likely caused from an update in conda. I got this same error when I updated conda to 23.9.0. I updated the requests version to >= 2.27.0. and my problem was fixed. May be a different version requirement for requests depending on your conda version.

The conda release notes state: (Release notes — conda 23.9.1.dev20 documentation)

Use requests.exceptions.JSONDecodeError for ensuring compatibility with different json implementations used by requests. This fixes a bug that caused only the first of multiple given source URLs to be tried. This also raises the minimum required requests version to 2.27.0. (#12683)

3

Hello ,

i’m having the same issue and my request package is 2.31.0.

C:\Users\Test\Desktop\1.Python\Projects\DailyTrades>conda list env
Traceback (most recent call last):
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exception_handler.py”, line 17, in call
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\cli\main.py”, line 54, in main_subshell
parser = generate_parser(add_help=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\cli\conda_argparse.py”, line 115, in generate_parser
configure_parser_create(sub_parsers)
File “C:\Users\karim.boubrik\AppData\Local\anaconda3\Lib\site-packages\conda\cli\conda_argparse.py”, line 767, in configure_parser_create
add_parser_solver(solver_mode_options)
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\cli\conda_argparse.py”, line 1975, in add_parser_solver
solver.name for solver in context.plugin_manager.get_hook_results(“solvers”)
^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\base\context.py”, line 492, in plugin_manager
from …plugins.manager import get_plugin_manager
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\plugins_init_.py”, line 28, in
from .hookspec import hookimpl # noqa: F401
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\plugins\hookspec.py”, line 16, in
from .types import (
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\plugins\types.py”, line 15, in
from …core.solve import Solver
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\core\solve.py”, line 30, in
from …exceptions import (
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exceptions.py”, line 16, in
from requests.exceptions import JSONDecodeError
ImportError: cannot import name ‘JSONDecodeError’ from ‘requests.exceptions’ (C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\requests\exceptions.py)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File “C:\Users\Test\AppData\Local\anaconda3\Scripts\conda-script.py”, line 12, in
sys.exit(main())
^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\cli\main.py”, line 109, in main
return conda_exception_handler(main, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exception_handler.py”, line 389, in conda_exception_handler
return_value = exception_handler(func, *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exception_handler.py”, line 20, in call
return self.handle_exception(exc_val, exc_tb)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exception_handler.py”, line 52, in handle_exception
from .exceptions import (
File “C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\conda\exceptions.py”, line 16, in
from requests.exceptions import JSONDecodeError
ImportError: cannot import name ‘JSONDecodeError’ from ‘requests.exceptions’ (C:\Users\Test\AppData\Local\anaconda3\Lib\site-packages\requests\exceptions.py)

4

Hello there! I had this issue :
from requests.exceptions import JSONDecodeError
ImportError: cannot import name ‘JSONDecodeError’ from ‘requests.exceptions’ (/Users/tarekbn/anaconda3/lib/python3.11/site-packages/requests/exceptions.py)

I followed these steps and the problem was fixed:
a. Navigate to the requests library directory within your Anaconda environment. It is located in a directory like …/anaconda3/lib/python3.11/site-packages/requests`.

b. Open the exceptions.py file in a text editor.
Add the following import statement :
from json.decoder import JSONDecodeError

c. Save the file and try running conda again.

1 Like
5

I literally created an account specifically to thank you, you’re a lifesaver!