Cleaning up pyproject.toml

pyproject.toml

@@ -76,14 +76,14 @@ grids = ["wxpython==4.2.1"]
 memprof = ["psutil"]
 mpi = ["mpi4py"]
 test = [
-    "black==22.6.0", # code formatter (version-pinned)
-    "ipykernel", # 6.25.1  -  .
-    "jupyter_client", # 8.3.1  -  .
-    #"nbconvert", # 7.6.0  -  .
-    "pytest", # 7.2.1  -  .
-    "pytest-cov", # 4.1.0  -  .
-    "pytest-xdist", # 3.3.1  -  .
-    "ruff==0.0.272", # linting and code formatting (version-pinned)
+    "black==22.6.0", # Code formatter (version-pinned)
+    "ipykernel>=6.0.0", # IPython Kernel (We run test notebooks from the doc tutorials.)
+    "jupyter_client>=7.0.0", # Reference implementation of the Jupyter protocol
+    "nbconvert>=7.0.0", # Converting Jupyter Notebooks to other formats
+    "pytest>=7.0.0", # Our primary test tooling
+    "pytest-cov>=4.0.0", # coverage plugin
+    "pytest-xdist>=3.0.0", # To spread our tests over multiple CPUs
+    "ruff==0.0.272", # Linting and code formatting (version-pinned)
 ]
 docs = [
 #######################################################################
@@ -96,7 +96,7 @@ docs = [
 # We are only building our docs with Python 3.9.
 #######################################################################
     "Sphinx==5.3.0", # central library used to build our docs
-    "docutils==0.18.1", # needed by sphinx-rtd-them
+    "docutils==0.18.1", # Needed by sphinx-rtd-them
     "sphinx-rtd-theme==1.2.2", # Read-The-Docs theme for Sphinx
     "nbsphinx==0.9.2", # Parses Jupyter notebooks
     "nbsphinx-link==1.3.0", # Adds Jupyter NBs to Sphinx source root