Revert extra diffs

Author: wsanchez

tox.ini

@@ -40,7 +40,8 @@ basepython =
     py37: python3.7
     py38: python3.8
     py39: python3.9
-    pypy: pypy
+
+    pypy2: pypy
     pypy3: pypy3
 
 deps =
@@ -221,9 +222,6 @@ ignore_missing_imports = True
 [mypy-hypothesis.*]
 ignore_missing_imports = True
 
-[mypy-twisted.*]
-ignore_missing_imports = True
-
 
 ##
 # Coverage report