diff --git a/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml b/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
index 19d540e..ebab9ed 100644
--- a/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
+++ b/Programming/anaconda/2019.07/conda-env-defs/hpce-tools/hpce-tools.yml
@@ -6,5 +6,15 @@ channels:
 dependencies:
   - python=3.6
   - ldapuserdir
-  - cython  # for pyslurm
+  # python development
   - conda-build
+  - cython  # for pyslurm
+  - black
+  - flake8
+  - mypy
+  - mypy_extensions
+  - typing_extensions
+  - tox
+  - tox-conda
+  - pytest
+  - bpython