urllib3: stubs are not Python 2 compatible (#7480)

JelleZijlstra · web-flow · commit bd449c983a8b · 2022-03-13T07:09:01.000Z
They use http.client, which is Python 3-only. Another catch from #7478.
diff --git a/stubs/urllib3/METADATA.toml b/stubs/urllib3/METADATA.toml
@@ -1,2 +1 @@
 version = "1.26.*"
-python2 = true
