Synchronize readme and env spec and put pins in env to mildly future-proof (#250)

* Synchronize readme and env spec and put pins in env to mildly future-proof

* Add labextention

Author: jsignell

README.md

@@ -49,7 +49,7 @@ In the main repo directory
 
 You will need the following core libraries
 
-    conda install numpy pandas h5py python-graphviz pillow matplotlib scipy toolz pytables snakeviz scikit-image dask distributed -c conda-forge
+    conda install -c conda-forge ipycytoscape jupyterlab python-graphviz matplotlib zarr xarray pooch scipy dask distributed dask-labextension
 
 Note that these options will alter your existing environment, potentially changing the versions of packages you already
 have installed.

binder/environment.yml

@@ -1,33 +1,21 @@
-name: dask-tutorial-22
+name: dask-tutorial
 channels:
   - conda-forge
 dependencies:
   - python=3.9
-  - nodejs
-  - jupyterlab>=2.0.0
-  - numpy>=1.18.1
-  - h5py
-  - holidays
-  - scipy>=1.3.0
-  - bokeh>=2.0.0
-  - dask=2022.06.1
+  - jupyterlab=2
+  - numpy=1.23
+  - scipy=1.8
+  - bokeh=2.4
+  - dask=2022.6.1
   - dask-labextension
-  - distributed=2022.06.1
-  - notebook
+  - distributed=2022.6.1
   - matplotlib
-  - pandas>=1.0.1
-  - pytables
-  - scikit-learn>=0.22.1
+  - pandas=1.4
   - pip
-  - s3fs
-  - pyarrow
-  - ipywidgets>=7.5
   - python-graphviz
   - ipycytoscape
   - zarr
-  - ipycytoscape
   - pooch
   - xarray
-  - jupyter_bokeh
   - mamba
-  - ipywidgets