Fixed #32595 -- Fixed SchemaEditor.quote_value() crash with bytes.

1 files changed, 8 insertions, 1 deletions

diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index 470271c376..2c62182d31 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -230,7 +230,14 @@ class DatabaseWrapper(BaseDatabaseWrapper):
 
     @async_unsafe
     def get_new_connection(self, conn_params):
-        return Database.connect(**conn_params)
+        connection = Database.connect(**conn_params)
+        # bytes encoder in mysqlclient doesn't work and was added only to
+        # prevent KeyErrors in Django < 2.0. We can remove this workaround when
+        # mysqlclient 2.1 becomes the minimal mysqlclient supported by Django.
+        # See https://github.com/PyMySQL/mysqlclient/issues/489
+        if connection.encoders.get(bytes) is bytes:
+            connection.encoders.pop(bytes)
+        return connection
 
     def init_connection_state(self):
         assignments = []