fix: hash user passwords on update

dpdapi/serializers.py

@@ -37,7 +37,7 @@ class UserSerializer(serializers.ModelSerializer):
         extra_kwargs = {'password': {'write_only': True}}
 
     def _hash_password(self, raw_password):
-        return sha512_crypt.encrypt(raw_password)
+        return sha512_crypt.hash(raw_password)
 
     def create(self, validated_data):
         user = User(
@@ -47,3 +47,8 @@ class UserSerializer(serializers.ModelSerializer):
         )
         user.save()
         return user
+
+    def update(self, instance, validated_data):
+        if 'password' in validated_data:
+            validated_data['password'] = self._hash_password(validated_data['password'])
+        return super().update(instance, validated_data)