update dependencies

zUtil_Python/pydct/envs/jupyterlab.yml

+name: jupyterlab
+
+channels:
+  - defaults
+
+dependencies:
+  - python=3.9
+  - pip=21.0*
+  - jupyterlab
+  - conda-build
+  - ipykernel=5.5.3
+  - ipympl

zUtil_Python/pydct/envs/pydct-dev.yml

@@ -28,3 +28,6 @@ dependencies:
     # dev stuff
     - darfix[full]
     - viztracer==0.12.3
+    - h5glance
+    - ipyfilechooser 
+    - bqplot