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Lost in backtracking: backtracking does not finish successfully #10965

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tstadel opened this issue Mar 15, 2022 · 1 comment
Closed
1 task done

Lost in backtracking: backtracking does not finish successfully #10965

tstadel opened this issue Mar 15, 2022 · 1 comment
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type: bug A confirmed bug or unintended behavior

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@tstadel
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tstadel commented Mar 15, 2022 •
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Description

pip gets completely lost during backtracking when installing farm-haystack[dev]==1.2.0. Depending on which compiler tooling you have installed one of the following will happen:

  • pip install crashes due to a missing compiler tool (e.g. cmake or protoc) which are required by very old versions of backtracked dependencies
  • pip seems to never finish backtracking

This started about a week after releasing version 1.2.0 of farm-haystack because a subdependency named azure-core got a new version (1.23) which resulted in a overall dependency conflict of package typing-extensions.

Analyzing this we had a very bad experience. Currently in pip there is no way to see which conflict causes this problem. Only digging through pip issues and finding the branch of #10258 helped us solve this. The output of pip on this branch showed us:

The conflict is caused by:
    torch 1.10.2 depends on typing-extensions
    farm-haystack[crawler,dev,docstores,ocr,onnx,preprocessing,ray] 1.2.0 depends on typing-extensions; python_version < "3.8" and extra == "dev"
    importlib-metadata 4.11.2 depends on typing-extensions>=3.6.4; python_version < "3.8"
    pydantic 1.9.0 depends on typing-extensions>=3.7.4.3
    azure-core 1.23.0 depends on typing-extensions>=4.0.1
    gitpython 3.1.27 depends on typing-extensions>=3.7.4.3; python_version < "3.8"
    huggingface-hub 0.4.0 depends on typing-extensions>=3.7.4.3
    black[jupyter] 22.1.0 depends on typing-extensions>=3.10.0.0; python_version < "3.10"
    mypy 0.931 depends on typing-extensions>=3.10
    pylint 2.12.2 depends on typing-extensions>=3.10.0; python_version < "3.10"
    astroid 2.9.3 depends on typing-extensions>=3.10; python_version < "3.10"
    nr-util 0.8.4 depends on typing-extensions>=3.0.0
    black 22.1.0 depends on typing-extensions>=3.10.0.0; python_version < "3.10"
    jsonschema 4.4.0 depends on typing-extensions; python_version < "3.8"
    onnx 1.11.0 depends on typing-extensions>=3.6.2.1
    databind-core 1.5.1 depends on typing-extensions<4.0.0 and >=3.10.0

Further analyzing with pipdeptree showed us which direct dependencies of farm-haystack caused this conflict:

pydoc-markdown==4.6.1
  - click [required: >=7.1,<9.0, installed: 8.0.4]
  - databind [required: >=1.5.0,<2.0.0, installed: 1.5.1]
    - databind.core [required: >=1.5.1,<2.0.0, installed: 1.5.1]

azure-ai-formrecognizer [required: ==3.2.0b2, installed: 3.2.0b2]
  - azure-core [required: >=1.13.0,<2.0.0, installed: 1.22.1]
      - requests [required: >=2.18.4, installed: 2.27.1]
        - certifi [required: >=2017.4.17, installed: 2021.10.8]
        - charset-normalizer [required: ~=2.0.0, installed: 2.0.12]
        - idna [required: >=2.5,<4, installed: 3.3]
        - urllib3 [required: >=1.21.1,<1.27, installed: 1.26.8]
      - six [required: >=1.11.0, installed: 1.16.0]

So we have two direct dependencies pydoc-markdown and azure-ai-formrecognizer which have different subdependencies databind.core and azure-core which itself need a conflicting version of typing-extensions.
Version 1.23.0 of azure-core introduced the dependency of typing-extensions>=4.0.1 and thus the conflict.

Solving this would be as easy as restricting azure-core<1.23 but analyzing without the branch would have taken hours if not days.

See respecting haystack issue.

Expected behavior

At least there should be transparency about which conflict started backtracking like in #10258 or #10937. Additionally the backtracking approach of depth-first search seems to be suboptimal in certain situations. Given this situation in which an unpinned subdependency releases a new version which introduces a new dependency conflict might not be too uncommon. So I wonder whether breath-first search would be more suitable or freshness of package versions in general should have an impact on deciding where to backtrack next.

pip version

22.0.4

Python version

">=3.7"

OS

ubuntu, windows, (any?)

How to Reproduce

Try https://colab.research.google.com/drive/1UtUDxBRZcaGLMFs7Nh23JRXl_f_50VwW?usp=sharing or

!pip install --upgrade pip
!pip install farm-haystack[dev]==1.2.0

Output

Checkout https://colab.research.google.com/drive/1UtUDxBRZcaGLMFs7Nh23JRXl_f_50VwW?usp=sharing for full output (it still seems to be backtracking) or

Collecting farm-haystack[dev]==1.2.0
  Using cached farm_haystack-1.2.0-py3-none-any.whl (430 kB)
Requirement already satisfied: requests in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (2.23.0)
Requirement already satisfied: nltk in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (3.2.5)
Collecting elasticsearch<=7.10,>=7.7
  Using cached elasticsearch-7.10.0-py2.py3-none-any.whl (321 kB)
Requirement already satisfied: scipy>=1.3.2 in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (1.4.1)
Collecting transformers==4.13.0
  Using cached transformers-4.13.0-py3-none-any.whl (3.3 MB)
Requirement already satisfied: tqdm in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (4.63.0)
Requirement already satisfied: dill in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (0.3.4)
Collecting tika
  Using cached tika-1.24.tar.gz (28 kB)
  Preparing metadata (setup.py) ... done
Requirement already satisfied: torch<1.11,>1.9 in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (1.10.0+cu111)
Collecting quantulum3
  Using cached quantulum3-0.7.10-py3-none-any.whl (10.7 MB)
Requirement already satisfied: networkx in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (2.6.3)
Collecting elastic-apm
  Using cached elastic_apm-6.8.1-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl (359 kB)
Requirement already satisfied: more-itertools in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (8.12.0)
Collecting langdetect
  Using cached langdetect-1.0.9.tar.gz (981 kB)
  Preparing metadata (setup.py) ... done
Collecting mlflow<=1.13.1
  Using cached mlflow-1.13.1-py3-none-any.whl (14.1 MB)
Collecting pydantic
  Using cached pydantic-1.9.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (10.9 MB)
Requirement already satisfied: importlib-metadata in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (4.11.2)
Requirement already satisfied: scikit-learn>=1.0.0 in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (1.0.2)
Requirement already satisfied: pandas in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (1.3.5)
Collecting azure-ai-formrecognizer==3.2.0b2
  Using cached azure_ai_formrecognizer-3.2.0b2-py2.py3-none-any.whl (219 kB)
Collecting python-docx
  Using cached python-docx-0.8.11.tar.gz (5.6 MB)
  Preparing metadata (setup.py) ... done
Collecting sentence-transformers>=0.4.0
  Using cached sentence-transformers-2.2.0.tar.gz (79 kB)
  Preparing metadata (setup.py) ... done
Collecting mmh3
  Using cached mmh3-3.0.0-cp37-cp37m-manylinux2010_x86_64.whl (50 kB)
Collecting seqeval
  Using cached seqeval-1.2.2.tar.gz (43 kB)
  Preparing metadata (setup.py) ... done
Requirement already satisfied: pytest in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (3.6.4)
Requirement already satisfied: coverage in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (3.7.1)
Collecting black[jupyter]
  Using cached black-22.1.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.4 MB)
Requirement already satisfied: psutil in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (5.4.8)
Collecting responses
  Using cached responses-0.19.0-py3-none-any.whl (41 kB)
Collecting pylint
  Using cached pylint-2.12.2-py3-none-any.whl (414 kB)
Collecting python-multipart
  Using cached python-multipart-0.0.5.tar.gz (32 kB)
  Preparing metadata (setup.py) ... done
Collecting pydoc-markdown<5,>=4
  Using cached pydoc_markdown-4.6.3-py3-none-any.whl (64 kB)
Requirement already satisfied: typing-extensions in /usr/local/lib/python3.7/dist-packages (from farm-haystack[dev]==1.2.0) (3.10.0.2)
Collecting mkdocs
  Using cached mkdocs-1.2.3-py3-none-any.whl (6.4 MB)
Collecting jupytercontrib
  Using cached jupytercontrib-0.0.7-py2.py3-none-any.whl (8.8 kB)
Collecting mypy
  Using cached mypy-0.941-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (14.4 MB)
Collecting watchdog
  Using cached watchdog-2.1.6-py3-none-manylinux2014_x86_64.whl (76 kB)
Collecting tox
  Using cached tox-3.24.5-py2.py3-none-any.whl (85 kB)
Collecting azure-core<2.0.0,>=1.13.0
  Using cached azure_core-1.23.0-py3-none-any.whl (179 kB)
Requirement already satisfied: six>=1.11.0 in /usr/local/lib/python3.7/dist-packages (from azure-ai-formrecognizer==3.2.0b2->farm-haystack[dev]==1.2.0) (1.15.0)
Collecting azure-common~=1.1
  Using cached azure_common-1.1.28-py2.py3-none-any.whl (14 kB)
Collecting msrest>=0.6.21
  Using cached msrest-0.6.21-py2.py3-none-any.whl (85 kB)
Requirement already satisfied: regex!=2019.12.17 in /usr/local/lib/python3.7/dist-packages (from transformers==4.13.0->farm-haystack[dev]==1.2.0) (2019.12.20)
Collecting pyyaml>=5.1
  Using cached PyYAML-6.0-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (596 kB)
Collecting tokenizers<0.11,>=0.10.1
  Using cached tokenizers-0.10.3-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (3.3 MB)
Requirement already satisfied: numpy>=1.17 in /usr/local/lib/python3.7/dist-packages (from transformers==4.13.0->farm-haystack[dev]==1.2.0) (1.21.5)
Requirement already satisfied: packaging>=20.0 in /usr/local/lib/python3.7/dist-packages (from transformers==4.13.0->farm-haystack[dev]==1.2.0) (21.3)
Collecting huggingface-hub<1.0,>=0.1.0
  Using cached huggingface_hub-0.4.0-py3-none-any.whl (67 kB)
Requirement already satisfied: filelock in /usr/local/lib/python3.7/dist-packages (from transformers==4.13.0->farm-haystack[dev]==1.2.0) (3.6.0)
Collecting sacremoses
  Using cached sacremoses-0.0.47-py2.py3-none-any.whl (895 kB)
Requirement already satisfied: certifi in /usr/local/lib/python3.7/dist-packages (from elasticsearch<=7.10,>=7.7->farm-haystack[dev]==1.2.0) (2021.10.8)
Requirement already satisfied: urllib3<2,>=1.21.1 in /usr/local/lib/python3.7/dist-packages (from elasticsearch<=7.10,>=7.7->farm-haystack[dev]==1.2.0) (1.24.3)
Requirement already satisfied: cloudpickle in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (1.3.0)
Requirement already satisfied: click>=7.0 in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (7.1.2)
Collecting querystring-parser
  Using cached querystring_parser-1.2.4-py2.py3-none-any.whl (7.9 kB)
Requirement already satisfied: Flask in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (1.1.4)
Requirement already satisfied: protobuf>=3.6.0 in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (3.17.3)
Requirement already satisfied: python-dateutil in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (2.8.2)
Requirement already satisfied: sqlparse>=0.3.1 in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (0.4.2)
Collecting databricks-cli>=0.8.7
  Using cached databricks-cli-0.16.4.tar.gz (58 kB)
  Preparing metadata (setup.py) ... done
Requirement already satisfied: entrypoints in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (0.4)
Collecting azure-storage-blob>=12.0.0
  Using cached azure_storage_blob-12.10.0-py3-none-any.whl (346 kB)
Requirement already satisfied: sqlalchemy in /usr/local/lib/python3.7/dist-packages (from mlflow<=1.13.1->farm-haystack[dev]==1.2.0) (1.4.32)
Collecting docker>=4.0.0
  Using cached docker-5.0.3-py2.py3-none-any.whl (146 kB)
Collecting gitpython>=2.1.0
  Using cached GitPython-3.1.27-py3-none-any.whl (181 kB)
Collecting gunicorn
  Using cached gunicorn-20.1.0-py3-none-any.whl (79 kB)
Collecting prometheus-flask-exporter
  Using cached prometheus_flask_exporter-0.19.0-py3-none-any.whl (18 kB)
Collecting alembic<=1.4.1
  Using cached alembic-1.4.1.tar.gz (1.1 MB)
  Preparing metadata (setup.py) ... done
Collecting tomli_w<2.0.0,>=1.0.0
  Using cached tomli_w-1.0.0-py3-none-any.whl (6.0 kB)
Collecting docspec-python<3.0.0,>=2.0.0a1
  Using cached docspec_python-2.0.0-py3-none-any.whl (13 kB)
Requirement already satisfied: tomli<3.0.0,>=2.0.0 in /usr/local/lib/python3.7/dist-packages (from pydoc-markdown<5,>=4->farm-haystack[dev]==1.2.0) (2.0.1)
Collecting jinja2<4.0.0,>=3.0.0
  Using cached Jinja2-3.0.3-py3-none-any.whl (133 kB)
Collecting nr.util<1.0.0,>=0.7.5
  Using cached nr.util-0.8.4-py3-none-any.whl (86 kB)
Collecting databind<2.0.0,>=1.5.0
  Using cached databind-1.5.1-py3-none-any.whl (1.6 kB)
Collecting docspec<3.0.0,>=2.0.0a1
  Using cached docspec-2.0.0-py3-none-any.whl (9.5 kB)
Collecting yapf>=0.30.0
  Using cached yapf-0.32.0-py2.py3-none-any.whl (190 kB)
Collecting docstring-parser<0.12,>=0.11
  Using cached docstring_parser-0.11.tar.gz (22 kB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Preparing metadata (pyproject.toml) ... done
Collecting pyyaml>=5.1
  Using cached PyYAML-5.4.1-cp37-cp37m-manylinux1_x86_64.whl (636 kB)
Requirement already satisfied: chardet<4,>=3.0.2 in /usr/local/lib/python3.7/dist-packages (from requests->farm-haystack[dev]==1.2.0) (3.0.4)
Requirement already satisfied: idna<3,>=2.5 in /usr/local/lib/python3.7/dist-packages (from requests->farm-haystack[dev]==1.2.0) (2.10)
Requirement already satisfied: threadpoolctl>=2.0.0 in /usr/local/lib/python3.7/dist-packages (from scikit-learn>=1.0.0->farm-haystack[dev]==1.2.0) (3.1.0)
Requirement already satisfied: joblib>=0.11 in /usr/local/lib/python3.7/dist-packages (from scikit-learn>=1.0.0->farm-haystack[dev]==1.2.0) (1.1.0)
Requirement already satisfied: torchvision in /usr/local/lib/python3.7/dist-packages (from sentence-transformers>=0.4.0->farm-haystack[dev]==1.2.0) (0.11.1+cu111)
Collecting sentencepiece
  Using cached sentencepiece-0.1.96-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (1.2 MB)
Collecting pathspec>=0.9.0
  Using cached pathspec-0.9.0-py2.py3-none-any.whl (31 kB)
Collecting typed-ast>=1.4.2
  Using cached typed_ast-1.5.2-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (843 kB)
Collecting click>=7.0
  Using cached click-8.0.4-py3-none-any.whl (97 kB)
Collecting mypy-extensions>=0.4.3
  Using cached mypy_extensions-0.4.3-py2.py3-none-any.whl (4.5 kB)
Collecting platformdirs>=2
  Using cached platformdirs-2.5.1-py3-none-any.whl (14 kB)
Collecting ipython>=7.8.0
  Using cached ipython-7.32.0-py3-none-any.whl (793 kB)
Collecting tokenize-rt>=3.2.0
  Using cached tokenize_rt-4.2.1-py2.py3-none-any.whl (6.1 kB)
Requirement already satisfied: zipp>=0.5 in /usr/local/lib/python3.7/dist-packages (from importlib-metadata->farm-haystack[dev]==1.2.0) (3.7.0)
Requirement already satisfied: nbconvert in /usr/local/lib/python3.7/dist-packages (from jupytercontrib->farm-haystack[dev]==1.2.0) (5.6.1)
Collecting ghp-import>=1.0
  Using cached ghp_import-2.0.2-py3-none-any.whl (11 kB)
Collecting mergedeep>=1.3.4
  Using cached mergedeep-1.3.4-py3-none-any.whl (6.4 kB)
Collecting pyyaml-env-tag>=0.1
  Using cached pyyaml_env_tag-0.1-py3-none-any.whl (3.9 kB)
Requirement already satisfied: Markdown>=3.2.1 in /usr/local/lib/python3.7/dist-packages (from mkdocs->farm-haystack[dev]==1.2.0) (3.3.6)
Requirement already satisfied: pytz>=2017.3 in /usr/local/lib/python3.7/dist-packages (from pandas->farm-haystack[dev]==1.2.0) (2018.9)
Collecting isort<6,>=4.2.5
  Using cached isort-5.10.1-py3-none-any.whl (103 kB)
Collecting toml>=0.9.2
  Using cached toml-0.10.2-py2.py3-none-any.whl (16 kB)
Collecting mccabe<0.7,>=0.6
  Using cached mccabe-0.6.1-py2.py3-none-any.whl (8.6 kB)
Collecting astroid<2.10,>=2.9.0
  Using cached astroid-2.9.3-py3-none-any.whl (254 kB)
Requirement already satisfied: pluggy<0.8,>=0.5 in /usr/local/lib/python3.7/dist-packages (from pytest->farm-haystack[dev]==1.2.0) (0.7.1)
Requirement already satisfied: atomicwrites>=1.0 in /usr/local/lib/python3.7/dist-packages (from pytest->farm-haystack[dev]==1.2.0) (1.4.0)
Requirement already satisfied: setuptools in /usr/local/lib/python3.7/dist-packages (from pytest->farm-haystack[dev]==1.2.0) (57.4.0)
Requirement already satisfied: attrs>=17.4.0 in /usr/local/lib/python3.7/dist-packages (from pytest->farm-haystack[dev]==1.2.0) (21.4.0)
Requirement already satisfied: py>=1.5.0 in /usr/local/lib/python3.7/dist-packages (from pytest->farm-haystack[dev]==1.2.0) (1.11.0)
Requirement already satisfied: lxml>=2.3.2 in /usr/local/lib/python3.7/dist-packages (from python-docx->farm-haystack[dev]==1.2.0) (4.2.6)
Collecting num2words
  Using cached num2words-0.5.10-py3-none-any.whl (101 kB)
Requirement already satisfied: inflect in /usr/local/lib/python3.7/dist-packages (from quantulum3->farm-haystack[dev]==1.2.0) (2.1.0)
Collecting urllib3<2,>=1.21.1
  Using cached urllib3-1.25.11-py2.py3-none-any.whl (127 kB)
Collecting tox
  Using cached tox-3.24.4-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.24.3-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.24.2-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.24.1-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.24.0-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.23.1-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.23.0-py2.py3-none-any.whl (85 kB)
  Using cached tox-3.22.0-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.21.4-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.21.3-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.21.2-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.21.1-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.21.0-py2.py3-none-any.whl (84 kB)
  Using cached tox-3.20.1-py2.py3-none-any.whl (83 kB)
  Using cached tox-3.20.0-py2.py3-none-any.whl (83 kB)
  Using cached tox-3.19.0-py2.py3-none-any.whl (83 kB)
  Using cached tox-3.18.1-py2.py3-none-any.whl (82 kB)
  Using cached tox-3.18.0-py2.py3-none-any.whl (82 kB)
  Using cached tox-3.17.1-py2.py3-none-any.whl (82 kB)
  Using cached tox-3.17.0-py2.py3-none-any.whl (82 kB)
  Using cached tox-3.16.0-py2.py3-none-any.whl (82 kB)
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truncated here see colab notebook

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@tstadel tstadel added S: needs triage Issues/PRs that need to be triaged type: bug A confirmed bug or unintended behavior labels Mar 15, 2022
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pradyunsg commented Mar 15, 2022 •
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Consolidating into #9254.

I appreciate that complicated dependency graph problems are take a non-neglibile amount of work to detangle and not presenting information about why pip is backtracking can make it dififcult to understand. That said, the specific request for more information is already being tracked in #9254. There have been discussions about "freshness" and "breadth first" search reordering, on this issue tracker -- which can be summarised as, they might seem to be an improvement, but (a) it'd likely end up being more difficult to reason about + control for an end user and (b) the information is not as useful for heuristics as it might seem.

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@pradyunsg pradyunsg removed the S: needs triage Issues/PRs that need to be triaged label Mar 17, 2023
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