Roll src/third_party/pywebsocket3/src/ 9db3d29db..50602a14f (4 commits)

https://chromium.googlesource.com/external/github.com/GoogleChromeLabs/pywebsocket3.git/+log/9db3d29db4f3..50602a14f1b6

$ git log 9db3d29db..50602a14f --date=short --no-merges --format='%ad %ae %s'
2021-08-20 ricea Support handler-encoding-ignorant embedders (#32)
2021-08-20 ricea Support --handler-encoding option (#31)
2021-04-22 arenevier Expose base.py as a public api. (#28)
2021-04-01 ricea Add missing r to regular expression (#27)

Created with:
  roll-dep src/third_party/pywebsocket3/src
  build/print_python_deps.py --root net/tools/testserver --output net/tools/testserver/testserver.pydeps --allowlist third_party/tlslite/tlslite/utils net/tools/testserver/testserver.py

Bug: 1241489
Change-Id: I21da67ca9e5df6546c4e02762dcc946339566555
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3109191
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: David Benjamin <davidben@chromium.org>
Commit-Queue: David Benjamin <davidben@chromium.org>
Auto-Submit: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/main@{#914358}
NOKEYCHECK=True
GitOrigin-RevId: b470e75f52ab2bdf4e70503dc3b589f8af989ff4
diff --git a/testserver.pydeps b/testserver.pydeps
index 58032b2..d4183a3 100644
--- a/testserver.pydeps
+++ b/testserver.pydeps
@@ -6,7 +6,7 @@
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/dispatch.py
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/extensions.py
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/handshake/__init__.py
-../../../third_party/pywebsocket3/src/mod_pywebsocket/handshake/_base.py
+../../../third_party/pywebsocket3/src/mod_pywebsocket/handshake/base.py
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/handshake/hybi.py
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/http_header_util.py
 ../../../third_party/pywebsocket3/src/mod_pywebsocket/memorizingfile.py