From 69367272ec8a5408e54534c868634bf0290f08b6 Mon Sep 17 00:00:00 2001
From: Mark Glines <mark@glines.org>
Date: Thu, 14 Jan 2021 07:13:43 -0500
Subject: [PATCH] Fix warnings in python bindings

---
 python_bindings/pybind11/include/pybind11/detail/common.h    | 2 +-
 python_bindings/pybind11/include/pybind11/detail/internals.h | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/python_bindings/pybind11/include/pybind11/detail/common.h b/python_bindings/pybind11/include/pybind11/detail/common.h
index 5ff74856b..3bcdc433e 100644
--- a/python_bindings/pybind11/include/pybind11/detail/common.h
+++ b/python_bindings/pybind11/include/pybind11/detail/common.h
@@ -648,7 +648,7 @@ inline void ignore_unused(const int *) { }
 #define PYBIND11_EXPAND_SIDE_EFFECTS(PATTERN) (((PATTERN), void()), ...)
 #else
 using expand_side_effects = bool[];
-#define PYBIND11_EXPAND_SIDE_EFFECTS(PATTERN) pybind11::detail::expand_side_effects{ ((PATTERN), void(), false)..., false }
+#define PYBIND11_EXPAND_SIDE_EFFECTS(PATTERN) (void)pybind11::detail::expand_side_effects{ ((PATTERN), void(), false)..., false }
 #endif
 
 NAMESPACE_END(detail)
diff --git a/python_bindings/pybind11/include/pybind11/detail/internals.h b/python_bindings/pybind11/include/pybind11/detail/internals.h
index 6d7dc5cfe..594f0a7ac 100644
--- a/python_bindings/pybind11/include/pybind11/detail/internals.h
+++ b/python_bindings/pybind11/include/pybind11/detail/internals.h
@@ -197,7 +197,10 @@ PYBIND11_NOINLINE inline internals &get_internals() {
         auto *&internals_ptr = *internals_pp;
         internals_ptr = new internals();
 #if defined(WITH_THREAD)
-        PyEval_InitThreads();
+
+#       if PY_VERSION_HEX < 0x03090000
+            PyEval_InitThreads();
+#       endif
         PyThreadState *tstate = PyThreadState_Get();
         #if PY_VERSION_HEX >= 0x03070000
             internals_ptr->tstate = PyThread_tss_alloc();