try some docs pins

Author: bollwyvl

docs/environment.yml

@@ -5,12 +5,11 @@ channels:
 dependencies:
   - bqplot
   - build
-  - empack
-  - ipykernel
+  - ipykernel !=6.19.*
   - jupyter_client
   - jupyterlab >=3,<4
   - jupyter-packaging
-  - matplotlib
+  - matplotlib-base
   - nbsphinx
   - nodejs=14
   - numpy
@@ -25,5 +24,5 @@ dependencies:
   - sphinx_rtd_theme
   - sympy
   - pip:
-    - jupyterlite==0.1.0b14
+    - jupyterlite==0.1.0b15
     - jupyterlite-sphinx~=0.7.2