Add a new strict config option for MyPy.

HexDecimal · HexDecimal · commit 286fa1c3c492 · 2020-10-25T14:18:19.000-07:00
diff --git a/setup.cfg b/setup.cfg
@@ -22,6 +22,7 @@ warn_redundant_casts = True
 warn_unused_ignores = True
 warn_return_any = True
 implicit_reexport = False
+strict_equality = True
 
 [mypy-numpy]
 ignore_missing_imports = True
