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wnowicki opened this issue May 13, 2025 · 6 comments
Closed

Python venv dependencies are not working with code completion #7209

wnowicki opened this issue May 13, 2025 · 6 comments
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@rchiodo
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jedi Jedi does something better than Pylance team needs to reproduce Issue has not been reproduced yet user responded Was "waiting for user response" and they responded

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@wnowicki
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Type: Bug

Behaviour

Python venv dependencies are not working with code completion

Steps to Reproduce

  1. I open my project in new VSC window
  2. I open any Python file.
  3. I can CMD+Click any imported dependencies
  4. After first couple clikcks and uses of autocompletion, I'm loosing this functionality. I cannot click any library or function.
  5. When I open any other file dependencies are not even colored. And I can see scanning efect on the top of the file.

Diagnostic Data

Maybe is related or not but at some point I've managed to get this output:

2025-05-13 16:30:42.808 [error] Stopping language client failed Error: Stopping the server timed out
    at /Users/xxx/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/out/client/extension.js:2:2026466
    at l.stop (/Users/xxx/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/out/client/extension.js:2:22718)

I've found as well simillar issue here astral-sh/uv#9637 but I've tested it for UV and classic venv. And raised this before microsoft/vscode#248842

Extension version: 2025.6.0
VS Code version: Code 1.100.0 (19e0f9e681ecb8e5c09d8784acaa601316ca4571, 2025-05-07T12:48:53.763Z)
OS version: Darwin arm64 24.5.0
Modes:

  • Python version (& distribution if applicable, e.g. Anaconda): 3.12.10
  • Type of virtual environment used (e.g. conda, venv, virtualenv, etc.): Venv
  • Value of the python.languageServer setting: Default
User Settings 


languageServer: "Jedi"

Installed Extensions
Extension Name Extension Id Version
autodocstring njp 0.6.1
code-spell-checker str 4.0.47
copilot Git 1.317.0
copilot-chat Git 0.27.0
dart-code Dar 3.110.0
datawrangler ms- 1.20.1
debugpy ms- 2025.8.0
docker doc 0.6.0
EditorConfig Edi 0.17.2
even-better-toml tam 0.21.2
flutter Dar 3.110.0
ginfuru-vscode-jekyll-syntax gin 0.1.1
gitlens eam 17.0.3
js-debug ms- 1.100.0
js-debug-companion ms- 1.1.3
json Zai 2.0.2
jupyter ms- 2025.4.0
jupyter-keymap ms- 1.1.2
jupyter-renderers ms- 1.1.0
LogFileHighlighter emi 3.4.0
lua sum 3.14.0
markdown-all-in-one yzh 3.6.3
markdown-mermaid bie 1.28.0
markdown-pdf yza 1.5.0
mermaid-markdown-syntax-highlighting bpr 1.7.1
partial-diff ryu 1.4.3
pdf tom 1.2.2
python ms- 2025.6.0
rainbow-csv mec 3.19.0
regexsnippets Mon 1.0.2
remote-containers ms- 0.413.0
rest-client hum 0.25.1
robotframework-lsp rob 1.13.0
ruff cha 2025.22.0
shopify-liquid sis 4.0.1
sqlite-viewer qwt 0.10.6
vscode-azure-github-copilot ms- 0.3.268
vscode-azureresourcegroups ms- 0.10.10
vscode-containers ms- 2.0.1
vscode-dotnet-runtime ms- 2.3.3
vscode-drawio hed 1.9.0
vscode-github-actions git 0.27.1
vscode-js-profile-table ms- 1.0.10
vscode-jupyter-cell-tags ms- 0.1.9
vscode-jupyter-slideshow ms- 0.1.6
vscode-markdownlint Dav 0.59.0
vscode-print pdc 1.4.0
vscode-sqlite ale 0.14.1
vsliveshare ms- 1.0.5948
System Info
Item Value
CPUs Apple M3 Pro (12 x 2400)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) 8, 6, 4
Memory (System) 18.00GB (0.14GB free)
Process Argv --crash-reporter-id 0651a787-969e-4665-af65-6f2d0917af2c
Screen Reader no
VM 0%
A/B Experiments 
vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805cf:30301675
binariesv615:30325510
c4g48928:30535728
azure-dev_surveyone:30548225
vscrpc:30673769
962ge761:30959799
2e7ec940:31000449
pythontbext0:30879054
cppperfnew:31000557
dwnewjupytercf:31046870
pythonrstrctxt:31112756
nativeloc1:31192215
5fd0e150:31155592
dwcopilot:31170013
6074i472:31201624
dwoutputs:31242946
customenabled:31248079
hdaa2157:31222309
copilot_t_ci:31222730
e5gg6876:31282496
pythoneinst12:31285622
bgtreat:31268568
4gafe986:31271826
31787653:31262186
3e8i5726:31271747
pythonpulldiagcf:31298646
996jf627:31283433
pythonrdcb7:31303018
usemplatestapi:31297334
7bj51361:31289155
747dc170:31275177
pylancecolorcf:31303817
aj953862:31281341
generatesymbolt:31295002
convertfstringf:31295003
gendocf:31295004
@TomaszBurnejko
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I have the same issue. The issue is specific to Python projects, in another TypeScript repository, everything works as expected

@BlackDark
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I also did not have completions for my local projects but when I did a uv sync --no-editable i got the completions back working because the folder gets copied to the .venv directory I think. But of course now also the stuff is fixed and not symlinked so changes get not reflected back to the .venv.

@karthiknadig karthiknadig transferred this issue from microsoft/vscode-python May 14, 2025
@github-actions github-actions bot added the team needs to reproduce Issue has not been reproduced yet label May 14, 2025
@rchiodo
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rchiodo commented May 14, 2025

Can you include the log as described here?

https://github.com/microsoft/pylance-release/blob/main/TROUBLESHOOTING.md#filing-an-issue

It sounds like Pylance is crashing for some reason. The log should give us a callstack for where the crash is.

@rchiodo rchiodo added the waiting for user response Requires more information from user label May 14, 2025
@wnowicki
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@rchiodo

2025-05-14 19:01:16.486 [info] ERROR:pygls.protocol.json_rpc:Failed to handle request 21 textDocument/hover HoverParams(text_document=TextDocumentIdentifier(uri='file:///Users/wojciechnowicki/dev/iamip/tars/app/build.py'), position=1:19, work_done_token=None)
Traceback (most recent call last):
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/pygls/protocol/json_rpc.py", line 266, in _handle_request
    self._execute_request(msg_id, handler, params)
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/pygls/protocol/json_rpc.py", line 188, in _execute_request
    self._send_response(msg_id, handler(params))
                                ^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi_language_server/notebook_utils.py", line 373, in wrapped
    result = f(notebook_server, notebook_params)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi_language_server/server.py", line 487, in hover
    jedi_script.help(*jedi_lines),
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/api/helpers.py", line 487, in wrapper
    return func(self, line, column, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/api/__init__.py", line 372, in help
    definitions = self.goto(line, column, follow_imports=True)
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/api/helpers.py", line 487, in wrapper
    return func(self, line, column, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/api/__init__.py", line 300, in goto
    names = list(name.goto())
                 ^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/names.py", line 157, in goto
    module_names = goto_import(context, name)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/cache.py", line 44, in wrapper
    rv = function(obj, *args, **kwargs)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/imports.py", line 75, in goto_import
    _prepare_infer_import(module_context, tree_name)
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/imports.py", line 116, in _prepare_infer_import
    return from_import_name, tuple(import_path), import_node.level, importer.follow()
                                                                    ^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/imports.py", line 296, in follow
    return import_module_by_names(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/imports.py", line 377, in import_module_by_names
    import_module(
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/plugins/__init__.py", line 21, in wrapper
    return built_functions[public_name](*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/plugins/flask.py", line 20, in wrapper
    return callback(inference_state, import_names, module_context, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/gradual/typeshed.py", line 115, in wrapper
    python_value_set = ValueSet.from_sets(
                       ^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/base_value.py", line 430, in from_sets
    for set_ in sets:
                ^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/gradual/typeshed.py", line 116, in <genexpr>
    func(inference_state, import_names, p, sys_path,)
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/imports.py", line 411, in import_module
    file_io_or_ns, is_pkg = inference_state.compiled_subprocess.get_module_info(
                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/compiled/subprocess/__init__.py", line 188, in wrapper
    result = self._compiled_subprocess.run(
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/compiled/subprocess/__init__.py", line 293, in run
    self._send(delete_id, None)
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/inference/compiled/subprocess/__init__.py", line 318, in _send
    is_exception, traceback, result = pickle_load(self._get_process().stdout)
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/wojciechnowicki/.vscode/extensions/ms-python.python-2025.6.0-darwin-arm64/python_files/lib/jedilsp/jedi/_compatibility.py", line 25, in pickle_load
    return Unpickler(file).load()
           ^^^^^^^^^^^^^^^^^^^^^^
_pickle.UnpicklingError: invalid load key, ' '.

2025-05-14 19:01:16.489 [info] [Error - 19:01:16] Request textDocument/hover failed.
2025-05-14 19:01:16.489 [info]   Message: _pickle.UnpicklingError: invalid load key, ' '.
  Code: -32603 
[object Object]

@github-actions github-actions bot added user responded Was "waiting for user response" and they responded and removed waiting for user response Requires more information from user labels May 14, 2025
@wnowicki wnowicki mentioned this issue May 14, 2025
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@rchiodo
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rchiodo commented May 14, 2025

This is a bug in Jedi actually, not Pylance:
https://github.com/pappasam/jedi-language-server

Your log indicates you have 'Jedi' selected here:

Image

@rchiodo rchiodo closed this as completed May 14, 2025
@rchiodo rchiodo added the jedi Jedi does something better than Pylance label May 14, 2025
@wnowicki
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Thanks! I don't know why i got Pylance disabled... now everything works back again.

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@wnowicki @BlackDark @rchiodo @TomaszBurnejko