Fix mypy errors when importing stuff from IPython

Author: tleonhardt

.github/workflows/mypy.yml

@@ -19,5 +19,5 @@ jobs:
           # Only a single commit is fetched by default, for the ref/SHA that triggered the workflow.
           # Set fetch-depth: 0 to fetch all history for all branches and tags.
           fetch-depth: 0 # Needed for setuptools_scm to work correctly
-      - run: pip install -U --user pip mypy ipython-stubs
+      - run: pip install -U --user pip mypy
       - run: mypy .

cmd2/cmd2.py

@@ -131,7 +131,7 @@
 
 # NOTE: When using gnureadline with Python 3.13, start_ipython needs to be imported before any readline-related stuff
 try:
-    from IPython import start_ipython
+    from IPython import start_ipython  # type: ignore[import]
 except ImportError:
     pass
 
@@ -4641,7 +4641,7 @@ def do_ipy(self, _: argparse.Namespace) -> Optional[bool]:  # pragma: no cover
             try:
                 start_ipython  # noqa F823
             except NameError:
-                from IPython import start_ipython
+                from IPython import start_ipython  # type: ignore[import]
 
             from IPython.terminal.interactiveshell import (  # type: ignore[import]
                 TerminalInteractiveShell,