libmamba picks a build for the wrong Python version

[Zalnd]

Checklist

• I added a descriptive title
• I searched open reports and couldn't find a duplicate

What happened?

The conda install lxml==5.1.0 command gives the following output:

Channels:
 - conda-forge
 - defaults
Platform: win-64
Collecting package metadata (repodata.json): done
Solving environment: | warning  libmamba Added empty dependency for problem type SOLVER_RULE_UPDATE
failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package lxml-5.1.0-py310hba208d0_0 requires python >=3.10,<3.11.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ langchain is installable with the potential options
│  ├─ langchain [0.0.238|0.0.239|...|0.1.9] would require
│  │  └─ lxml >=4.9.2,<5.0.0 , which can be installed;
│  └─ langchain [0.0.136|0.0.142|...|0.0.190] would require
│     └─ openai >=0.0.0,<1.0.0 , which can be installed;
├─ lxml 5.1.0  is installable with the potential options
│  ├─ lxml 5.1.0 conflicts with any installable versions previously reported;
│  ├─ lxml 5.1.0 would require
│  │  └─ python >=3.10,<3.11.0a0 , which can be installed;
│  ├─ lxml 5.1.0 would require
│  │  └─ python >=3.12,<3.13.0a0 , which can be installed;
│  ├─ lxml 5.1.0 would require
│  │  └─ python >=3.8,<3.9.0a0 , which can be installed;
│  └─ lxml 5.1.0 would require
│     └─ python >=3.9,<3.10.0a0 , which can be installed;
├─ openai 1.17.1  is not installable because it conflicts with any installable versions previously reported;
└─ pin-1 is not installable because it requires
   └─ python 3.11.* , which conflicts with any installable versions previously reported.

It seems that libmamba picked up the lxml-5.1.0-py310hba208d0_0 build, but the installed Python version in this environment is 3.11.

Conda Info

conda version : 24.3.0
    conda-build version : not installed
         python version : 3.11.8.final.0
                 solver : libmamba (default)
       virtual packages : __archspec=1=bulldozer
                          __conda=24.3.0=0
                          __cuda=12.2=0
                          __win=0=0
           channel URLs : https://conda.anaconda.org/conda-forge/win-64
                          https://conda.anaconda.org/conda-forge/noarch
                          https://repo.anaconda.com/pkgs/main/win-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/win-64
                          https://repo.anaconda.com/pkgs/r/noarch
                          https://repo.anaconda.com/pkgs/msys2/win-64
                          https://repo.anaconda.com/pkgs/msys2/noarch
               platform : win-64
             user-agent : conda/24.3.0 requests/2.31.0 CPython/3.11.8 Windows/10 Windows/10.0.19045 solver/libmamba conda-libmamba-solver/24.1.0 libmambapy/1.5.8
          administrator : True
             netrc file : None
           offline mode : False

Conda Config

channels:
  - conda-forge
  - defaults

Conda list

It is a "test anything" environment with a lot of packages.

Additional Context

No response