diff --git a/setup.cfg b/setup.cfg
index b63bab6..aea2cac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,7 @@
 [flake8]
 docstring-convention=numpy
-exclude=tests,scripts,setup.py
+exclude=tests
+extend-select = W504, E123, E704
+
+[tool:pytest]
+addopts = "--pdbcls=IPython.terminal.debugger:Pdb"