From 4b544642c340cb080339d5f236377b0918fbc927 Mon Sep 17 00:00:00 2001
From: Holt Skinner <holtskinner@google.com>
Date: Fri, 4 Aug 2023 11:59:18 -0500
Subject: [PATCH] Removed `ensure_ascii` to prevent version compatibility
 errors

---
 proto/message.py | 5 -----
 setup.py         | 2 +-
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/proto/message.py b/proto/message.py
index 4133b062..413e8d1c 100644
--- a/proto/message.py
+++ b/proto/message.py
@@ -379,7 +379,6 @@ def to_json(
         sort_keys=False,
         indent=2,
         float_precision=None,
-        ensure_ascii=False,
     ) -> str:
         """Given a message instance, serialize it to json
 
@@ -399,9 +398,6 @@ def to_json(
                 Pass None for the most compact representation without newlines.
             float_precision (Optional(int)): If set, use this to specify float field valid digits.
                 Default is None.
-            ensure_ascii (Optional(bool)): If True, strings with non-ASCII characters are escaped.
-                If False, Unicode strings are returned unchanged.
-                Default is False.
         Returns:
             str: The json string representation of the protocol buffer.
         """
@@ -413,7 +409,6 @@ def to_json(
             sort_keys=sort_keys,
             indent=indent,
             float_precision=float_precision,
-            ensure_ascii=ensure_ascii,
         )
 
     def from_json(cls, payload, *, ignore_unknown_fields=False) -> "Message":
diff --git a/setup.py b/setup.py
index b9e1acf2..670bca40 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
     long_description=README,
     platforms="Posix; MacOS X",
     include_package_data=True,
-    install_requires=("protobuf >= 3.20.0, <5.0.0dev",),
+    install_requires=("protobuf >= 3.19.0, <5.0.0dev",),
     extras_require={
         "testing": [
             "google-api-core[grpc] >= 1.31.5",