Add ipdb

requirements-dev.in

 black
 flake8
+ipdb
 isort
 mypy
 types-python-slugify

requirements-dev.txt

@@ -4,14 +4,32 @@
 #
 #    pip-compile requirements-dev.in
 #
+asttokens==2.2.1
+    # via stack-data
+backcall==0.2.0
+    # via ipython
 black==23.1.0
     # via -r requirements-dev.in
 click==8.1.3
     # via black
+decorator==5.1.1
+    # via
+    #   ipdb
+    #   ipython
+executing==1.2.0
+    # via stack-data
 flake8==6.0.0
     # via -r requirements-dev.in
+ipdb==0.13.13
+    # via -r requirements-dev.in
+ipython==8.11.0
+    # via ipdb
 isort==5.12.0
     # via -r requirements-dev.in
+jedi==0.18.2
+    # via ipython
+matplotlib-inline==0.1.6
+    # via ipython
 mccabe==0.7.0
     # via flake8
 mypy==1.1.1
@@ -22,18 +40,41 @@ mypy-extensions==1.0.0
     #   mypy
 packaging==23.0
     # via black
+parso==0.8.3
+    # via jedi
 pathspec==0.11.1
     # via black
+pexpect==4.8.0
+    # via ipython
+pickleshare==0.7.5
+    # via ipython
 platformdirs==3.1.1
     # via black
+prompt-toolkit==3.0.38
+    # via ipython
+ptyprocess==0.7.0
+    # via pexpect
+pure-eval==0.2.2
+    # via stack-data
 pycodestyle==2.10.0
     # via flake8
 pyflakes==3.0.1
     # via flake8
+pygments==2.14.0
+    # via ipython
+six==1.16.0
+    # via asttokens
+stack-data==0.6.2
+    # via ipython
 tomli==2.0.1
     # via
     #   black
+    #   ipdb
     #   mypy
+traitlets==5.9.0
+    # via
+    #   ipython
+    #   matplotlib-inline
 types-python-slugify==8.0.0.1
     # via -r requirements-dev.in
 types-requests==2.28.11.15
@@ -44,3 +85,5 @@ types-urllib3==1.26.25.8
     # via types-requests
 typing-extensions==4.5.0
     # via mypy
+wcwidth==0.2.6
+    # via prompt-toolkit