3 files changed, 6 insertions, 12 deletions
diff --git a/examples/simple/custom_contentview.py b/examples/simple/custom_contentview.py
index 71f92575..b958bdce 100644
--- a/examples/simple/custom_contentview.py
+++ b/examples/simple/custom_contentview.py
@@ -3,10 +3,6 @@ This example shows how one can add a custom contentview to mitmproxy.
 The content view API is explained in the mitmproxy.contentviews module.
 """
 from mitmproxy import contentviews
-import typing
-
-
-CVIEWSWAPCASE = typing.Tuple[str, typing.Iterable[typing.List[typing.Tuple[str, typing.AnyStr]]]]
 
 
 class ViewSwapCase(contentviews.View):
@@ -17,7 +13,7 @@ class ViewSwapCase(contentviews.View):
     prompt = ("swap case text", "z")
     content_types = ["text/plain"]
 
-    def __call__(self, data: typing.AnyStr, **metadata) -> CVIEWSWAPCASE:
+    def __call__(self, data, **metadata) -> contentviews.TViewResult:
         return "case-swapped text", contentviews.format_text(data.swapcase())
 
 
diff --git a/examples/simple/io_read_dumpfile.py b/examples/simple/io_read_dumpfile.py
index ea544cc4..534f357b 100644
--- a/examples/simple/io_read_dumpfile.py
+++ b/examples/simple/io_read_dumpfile.py
@@ -1,6 +1,4 @@
 #!/usr/bin/env python
-
-# type: ignore
 #
 # Simple script showing how to read a mitmproxy dump file
 #
diff --git a/examples/simple/io_write_dumpfile.py b/examples/simple/io_write_dumpfile.py
index cf7c4f52..be6e4121 100644
--- a/examples/simple/io_write_dumpfile.py
+++ b/examples/simple/io_write_dumpfile.py
@@ -13,15 +13,15 @@ import typing  # noqa
 
 class Writer:
     def __init__(self, path: str) -> None:
-        if path == "-":
-            f = sys.stdout  # type: typing.IO[typing.Any]
-        else:
-            f = open(path, "wb")
-        self.w = io.FlowWriter(f)
+        self.f = open(path, "wb")  # type: typing.IO[bytes]
+        self.w = io.FlowWriter(self.f)
 
     def response(self, flow: http.HTTPFlow) -> None:
         if random.choice([True, False]):
             self.w.add(flow)
 
+    def done(self):
+        self.f.close()
+
 
 addons = [Writer(sys.argv[1])]