diff --git a/mitmproxy/types.py b/mitmproxy/types.py
index 24a1172b8..ac9922172 100644
--- a/mitmproxy/types.py
+++ b/mitmproxy/types.py
@@ -5,7 +5,7 @@ import typing
 from mitmproxy import exceptions
 from mitmproxy import flow
 
-if typing.TYPE_CHECKING:
+if typing.TYPE_CHECKING:  # pragma: no cover
     from mitmproxy.command import CommandManager
 
 
diff --git a/setup.cfg b/setup.cfg
index e7643b087..a1ba1610c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -18,6 +18,8 @@ show_missing = True
 exclude_lines =
     pragma: no cover
     raise NotImplementedError()
+    if typing.TYPE_CHECKING:
+    if TYPE_CHECKING:
 
 [mypy-mitmproxy.contrib.*]
 ignore_errors = True