adding nb_conda back to the build

Leah Wasser · web-flow · commit 2d82eae1820a · 2018-06-01T11:06:52.000-06:00
diff --git a/environment.yml b/environment.yml
@@ -29,6 +29,7 @@ dependencies:
   - ipython
   - jupyter_contrib_nbextensions
   - jupyterlab
+  - nb_conda
 
 
   - pip:
