here it is. It could import pytensor so I re-installed pytensor. I think there is some version incompatibility but I am not able to solve it. 
Output
Location: /Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages
Requires: cons, etuples, filelock, logical-unification, miniKanren, numpy, scipy, setuptools, typing-extensions
Required-by: pymc
(Kaushiki) kaushikisingh@Kaushikis-MacBook-Air ~ % pip install --upgrade pytensor
Requirement already satisfied: pytensor in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (2.13.1)
Collecting pytensor
Downloading pytensor-2.17.3.tar.gz (3.5 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 3.5/3.5 MB 6.7 MB/s eta 0:00:00
Installing build dependencies ... done
Getting requirements to build wheel ... done
Installing backend dependencies ... done
Preparing metadata (pyproject.toml) ... done
Requirement already satisfied: setuptools>=48.0.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (68.0.0)
Requirement already satisfied: scipy>=0.14 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.11.3)
Requirement already satisfied: numpy<1.26,>=1.17.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.22.3)
Requirement already satisfied: filelock in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (3.12.4)
Requirement already satisfied: etuples in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.3.9)
Requirement already satisfied: logical-unification in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: miniKanren in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.0.3)
Requirement already satisfied: cons in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: typing-extensions in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (4.7.1)
Requirement already satisfied: toolz in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.12.0)
Requirement already satisfied: multipledispatch in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.6.0)
Requirement already satisfied: six in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from multipledispatch->logical-unification->pytensor) (1.16.0)
Building wheels for collected packages: pytensor
Building wheel for pytensor (pyproject.toml) ... done
Created wheel for pytensor: filename=pytensor-2.17.3-cp310-cp310-macosx_11_0_arm64.whl size=1267160 sha256=671211432e93bc794a59f001b537206154ba2c383839526f8ffbe225f9eb872c
Stored in directory: /Users/kaushikisingh/Library/Caches/pip/wheels/14/3e/35/2ef1b698b9e91d6cb15232b51e9e91e60dbaf02b303c37e2cb
Successfully built pytensor
Installing collected packages: pytensor
Attempting uninstall: pytensor
Found existing installation: pytensor 2.13.1
Uninstalling pytensor-2.13.1:
Successfully uninstalled pytensor-2.13.1
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
pymc 5.8.2 requires arviz>=0.13.0, but you have arviz 0.11.2 which is incompatible.
pymc 5.8.2 requires pytensor<2.17,>=2.16.1, but you have pytensor 2.17.3 which is incompatible.
Successfully installed pytensor-2.16.3
(Kaushiki) kaushikisingh@Kaushikis-MacBook-Air ~ % pip uninstall pytensor
pip install pytensor
Found existing installation: pytensor 2.16.3
Uninstalling pytensor-2.16.3:
Would remove:
/Users/kaushikisingh/anaconda3/envs/Kaushiki/bin/pytensor-cache
/Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages/bin/*
/Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages/pytensor-2.16.3.dist-info/*
/Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages/pytensor/*
Would not remove (might be manually added):
/Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages/bin/theano_cache.py
/Users/kaushikisingh/anaconda3/envs/Kaushiki/lib/python3.10/site-packages/bin/theano_nose.py
Proceed (Y/n)? Y
Successfully uninstalled pytensor-2.16.3
Requirement already satisfied: pytensor in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (2.17.3)
Requirement already satisfied: setuptools>=48.0.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (68.0.0)
Requirement already satisfied: scipy>=0.14 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.11.3)
Requirement already satisfied: numpy<1.26,>=1.17.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.22.3)
Requirement already satisfied: filelock in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (3.12.4)
Requirement already satisfied: etuples in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.3.9)
Requirement already satisfied: logical-unification in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: miniKanren in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.0.3)
Requirement already satisfied: cons in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: typing-extensions in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (4.7.1)
Requirement already satisfied: toolz in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.12.0)
Requirement already satisfied: multipledispatch in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.6.0)
Requirement already satisfied: six in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from multipledispatch->logical-unification->pytensor) (1.16.0)
(Kaushiki) kaushikisingh@Kaushikis-MacBook-Air ~ % pip install pytensor
Requirement already satisfied: pytensor in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (2.17.3)
Requirement already satisfied: setuptools>=48.0.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (68.0.0)
Requirement already satisfied: scipy>=0.14 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.11.3)
Requirement already satisfied: numpy<1.26,>=1.17.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.22.3)
Requirement already satisfied: filelock in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (3.12.4)
Requirement already satisfied: etuples in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.3.9)
Requirement already satisfied: logical-unification in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: miniKanren in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (1.0.3)
Requirement already satisfied: cons in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (0.4.6)
Requirement already satisfied: typing-extensions in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from pytensor) (4.7.1)
Requirement already satisfied: toolz in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.12.0)
Requirement already satisfied: multipledispatch in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->pytensor) (0.6.0)
Requirement already satisfied: six in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from multipledispatch->logical-unification->pytensor) (1.16.0)
(Kaushiki) kaushikisingh@Kaushikis-MacBook-Air ~ %
pip install PyTensor
Requirement already satisfied: PyTensor in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (2.17.3)
Requirement already satisfied: setuptools>=48.0.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (68.0.0)
Requirement already satisfied: scipy>=0.14 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (1.11.3)
Requirement already satisfied: numpy<1.26,>=1.17.0 in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (1.22.3)
Requirement already satisfied: filelock in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (3.12.4)
Requirement already satisfied: etuples in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (0.3.9)
Requirement already satisfied: logical-unification in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (0.4.6)
Requirement already satisfied: miniKanren in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (1.0.3)
Requirement already satisfied: cons in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (0.4.6)
Requirement already satisfied: typing-extensions in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from PyTensor) (4.7.1)
Requirement already satisfied: toolz in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->PyTensor) (0.12.0)
Requirement already satisfied: multipledispatch in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from logical-unification->PyTensor) (0.6.0)
Requirement already satisfied: six in ./anaconda3/envs/Kaushiki/lib/python3.10/site-packages (from multipledispatch->logical-unification->PyTensor) (1.16.0)
(Kaushiki) kaushikisingh@Kaushikis-MacBook-Air ~ % conda install -c conda-forge pytensor
Collecting package metadata (current_repodata.json): done
Solving environment: done
# All requested packages already installed.