[build] Pre-installs ipdb instead of ipython as this package is available on...

[build] Pre-installs ipdb instead of ipython as this package is available on conda-forge;  Installing only ipython makes pip installs longer after the base install

bob/devtools/build.py

@@ -348,7 +348,7 @@ def parse_dependencies(recipe_dir, config):
     # further requirements
     requirements += [
         "pip",  # required for installing further packages
-        "ipython",  # for ipdb
+        "ipdb",  # for debugging
     ]
 
     # remove duplicates without affecting the order

bob/devtools/scripts/create.py

@@ -65,12 +65,12 @@ Examples:
   explained in our Setup subsection of the Installation manual.  To use this
   flag on the command-line, specify one pip-installable package each time:
 
-     $ bdt dev create -vvv --pip-extras=ipdb --pip-extras=mr.developer myenv
+     $ bdt dev create -vvv --pip-extras='pre-commit' myenv
 
      Using this option **adds** to what is available in the configuration file.
-     So, if your configuration file already contains ``ipdb`` and you wish to
-     install ``mr.developer`` as a plus, then just specify
-     ``--pip-extras=mr.developer``.
+     So, if your configuration file already contains ``pre-commit`` and you
+     wish to install ``logging_tree`` as a plus, then just specify
+     ``--pip-extras=logging_tree``.
 
 """
 )

doc/install.rst

@@ -98,11 +98,10 @@ pip-installable packages, create a section named ``create`` in the file
 .. code-block:: ini
 
    [create]
-   pip_extras = ipdb
-                pre-commit
+   pip_extras = pre-commit
 
-Then, by default, ``bdt dev create`` will automatically pip install ``ipdb``
-and ``pre-commit`` at environment creation time.  You may reset this list to
-your liking.
+Then, by default, ``bdt dev create`` will automatically pip install
+``pre-commit`` at environment creation time.  You may reset this list to your
+liking.
 
 .. include:: links.rst