Remove default channel when setting up ci env

Author: jessegrabowski

.github/workflows/test.yml

@@ -43,6 +43,8 @@ jobs:
           mamba-version: "*"
           activate-environment: pymc-extras-test
           channel-priority: strict
+          channels: conda-forge, nodefaults
+          conda-remove-defaults: true
           python-version: ${{matrix.python-version}}
           use-mamba: true
       - name: Install pymc-extras
@@ -87,6 +89,8 @@ jobs:
           mamba-version: "*"
           activate-environment: pymc-extras-test
           channel-priority: strict
+          channels: conda-forge, nodefaults
+          conda-remove-defaults: true
           python-version: ${{matrix.python-version}}
           use-mamba: true
       - name: Install pymc-extras

conda-envs/environment-test.yml

@@ -9,8 +9,10 @@ dependencies:
   - dask<2025.1.1
   - xhistogram
   - statsmodels
-  - jax
-  - blackjax
   - numba
   - pytest
   - pytest-cov
+  - pip
+  - pip:
+      - jax
+      - blackjax